It’s easy to look at a laptop, an iPod, or a laser printer as nothing more than a tool to get work done with or to while away your free time on, but these and many other high-tech devices didn’t fall off a tree. They emerged following years of hard work–and in some cases, an entire career devoted to a single technology–by inspired researchers, designers, and developers.
Our list of technology visionaries includes the guy who invented a way to store data in a portable form–and who almost got demoted as a result. It recognizes the woman who popularized the term “bug” after a moth flew into a computer relay. And it acknowledges a genius who might have saved modern gaming by inventing Jump Man.
So it’s time to pay homage where homage is due. Here’s our take on the 50 most important people in the recent history of technology–the most critical players (including a few forgotten heroes) who’ve been instrumental in crafting the last 50 years of technical innovation.
Our opinion doesn’t have to be the last word on the subject, however. If you have additional nominees who deserve recognition, or if you want to chime in to agree with or reminisce about or rail against our choices, please add a comment to let us know.
1. Jack Kilby and Robert Noyce
Unlike most of the other multiperson entries on our list, Robert Noyce (left) and Jack Kilbydidn’t work together. But their common invention is still utterly crucial. In 1959, both men came up with the first integrated circuits–Kilby while he was at Texas Instruments, and Noyce at Fairchild Semiconductor. The IC solved the problem of size that got worse and worse as the need to jam additional transistors into a device grew more and more critical. Packing them all into a single chip effectively ended the era of the room-size computer. Ultimately, Noyce’s design based on silicon, rather than Kilby’s based on germanium, became the standard–one that we still use today–but both designs were instrumental in pushing the technology forward. Kilby and Noyce are often overlooked, but the importance of their contribution to technology cannot be overstated. Nothing else on this list could exist without the underpinning of the integrated circuit.
2. Sergey Brin and Larry Page
What is the defining contribution to technology made by Larry Page (left) and Sergey Brin, the fathers of Google? The company is the single most important business in Silicon Valley today, but of course search engines had existed long before Google came along. What impressed so many early fans was Google’s relentless pursuit of refinement and accuracy in its search algorithm: Whereas other search engines’ results tended to be laden with spam, Google’s were generally on target. The company had lots of other tricks up its sleeve as well: The rapidly expanding Google universe now offers dozens of productivity and entertainment tools–from word processing to video–most of them free, underwritten by the company’s ubiquitous ad-serving system.
Bill Gates (#3) to Shawn Fanning (#10)
3. Bill Gates
The world’s richest man (well, depending on that day’s stock price) is also one of its most noteworthy technologists–a guy who dropped out of Harvard to launch Microsoft, a company that all techies are intimately familiar with, like it or not. No hands-off executive, Bill Gates has been involved with Microsoft product development at an incredibly detailed level over the company’s entire 30-year history. Though he’ll continue to serve as the company’s chairman, Gates will effectively leave Microsoft this July to focus full-time on his nonprofit endeavor, the Gates Foundation, which he has endowed with an eye-popping $29 billion to support global health and learning. Critics love to caricature Gates as a ruthless corporate tyrant who rules the tech industry with an iron fist, but evidently he has a conscience and a social vision too.
4. Steve Jobs
The once and future King of Apple, Steve Jobs is familiar to even the most casual technophile. Jobs lays claim to two critical moments in tech history. First, with the original Apples, he pioneered the idea that computers belong in the home; and then, 20 years later, he convinced the world that people ought to carry their (digital) music with them everywhere they go. Apple may not have invented the PC, and it certainly didn’t invent the MP3 player, but Jobs’s famous “reality distortion field” has proved that who got there first is sometimes less important than what they brought with them. Today, after more than one brush with corporate death, Apple is bigger than ever, boasting market share that the company hadn’t seen since the 1980s.
5. Tim Berners-Lee
No bones about it: You wouldn’t be reading this if not for Tim Berners-Lee and his 1989 invention, the World Wide Web. Everything from URL structure to hyperlinks were part of Berners-Lee’s original specifications; and though they’ve been extensively revised (in large part under his guidance as director of the World Wide Web Consortium), they remain in use today. Berners-Lee continues to be a key figure in the development of Web standards, and these days he spends his time developing what many think is the next step for the Internet: The Semantic Web.
6. Ray Tomlinson
In 1971 Ray Tomlinson sent the message that would ultimately be heard ’round the world: An e-mail from one ARPANet host to another. When you open your e-mail program and see that your inbox has 112 unread messages, you may not feel like thanking Tomlinson, but imagine where digital communications would be without e-mail. Tomlinson also came up with the idea of using the @ symbol to separate the username from the host name in an e-mail address.
7. Douglas Engelbart
Quick, click on this link. You now understand the importance of Doug Engelbart’s creation, the computer mouse. Engelbart patented the idea of his “X-Y position indicator for a display system” in 1967, and also nicknamed the device the mouse (owing to its tail). Though it’s hard to imagine working without one now, the mouse didn’t catch on for more than a decade, until Apple computers started using them. Engelbart didn’t stop at one invention, either: He and his research lab also developed an early online storage system–and even demonstrated videoconferencing back in 1968.
8. Bill Hewlett and Dave Packard
No company has touched so many facets of technology as the brainchild of Dave Packard (left) and Bill Hewlett, two titans of Silicon Valley who built a monster computing company out of nothing but spit and gumption. Originally responsible for building audio oscillators for Walt Disney in the 1940s, HP went on to create all manner of test equipment for electronics before jumping into computer servers, desktops, calculators, cameras, and of course printers. After a few rocky years, HP is back on top as the largest technology company in the world. And what other people have had their garage turned into a national historic landmark?
9. Shigeru Miyamoto
The video game industry collapsed in the early 1980s, and for a while it looked as though the phenomenon would go down in history as just a quirky fad, like the pet rock. But Shigeru Miyamoto almost singlehandedly kept the industry alive with his creation of an animated character named Jump Man, who soon became known as Mario. Miyamoto’s influence in the gaming business–he’s now a senior director of Nintendo–has been crucial ever since. His latest creation: Wii Fit, arrives on U.S. shores this month.
10. Shawn Fanning
With Napster, Shawn Fanning introduced the technology that, some doomsayers warn, could spell the end of the Internet. Today traffic from peer-to-peer programs consumes an estimated 70 percent of all broadband bandwidth, and AT&T says that peer-to-peer is a major reason why it will have to radically upgrade its infrastructure if it is to avert the collapse of the Internet as we know it by 2010. All of this because a guy was looking for an easier way to share a few tunes with strangers? Sheesh.
Gordon Moore (#11) to Michael Dell (#18)
11. Gordon Moore
You can’t go wrong with a guy who’s got his own scientific law, can you? Moore’s Law, posited in 1965, three years before Gordon Moore founded a little company called Intel, predicted that the number of components on a computer chip would double every year (later, he amended it to every two years). As Intel notes, Moore’s Law remains the “guiding principle for the semiconductor industry”; but, in truth, every field of high-tech–from hard drives to TVs–validates to some degree the almighty Law of Moore. Moore remains involved with Intel, which–at 40 years old–may be number one on the list of companies that Silicon Valley could not exist without.
12. Bill Atkinson
Mouse up to your PC’s File menu, open a new window, and thank Bill Atkinson for being able to do that. His early ideas regarding user interface design elements like the menu bar became graphical user interface standbys not just on Apple computers (where he worked), but on every major operating system that has followed. As a programmer, Atkinson designed MacPaint, QuickDraw, and HyperCard, a sort of proto-Web system that clearly inspired the creation of the World Wide Web. After starting his own company, General Magic, Atkinson mostly retired from tech to work as a nature photographer.
13. Steve Case
Don’t laugh. The brainchild of Steve Case, America Online was a big deal back in the early 1990s. The timing was perfect for a service that offered online training wheels for millions of intrigued but trepid people looking for an introduction to the World Wide Web. AOL pioneered more than just the chat rooms for which it became infamous. Case launched Neverwinter Nights–one of the first MMOs (massively multiplayer online games)–was an early champion of user avatars, and (most notoriously) started the blending of online and big media by selling out to Time Warner in 2001. Not such great timing there, alas.
14. Martin Cooper
Quick, check your pockets. Whether you’re toting an iPhone, a Razr, or an enV, you owe a debt to Martin Cooper and his 1973 patent responsible for the mobile phone as we know it. His invention, created during his tenure at Motorola, weighed just shy of 2 pounds, and ten years would pass before mobile phones broke the 1-pound barrier. Cooper is still active in the telephone business. His company ArrayComm develops antenna technology so today’s 2-ounce phones can reach their network.
15. Nolan Bushnell
Atari is synonymous with video gaming–so much so that the name remains in use (though now far removed from founder Nolan Bushnell, the undisputed father of video gaming) 36 years after it originated. Bushnell’s inspiration–a world where everyone could play games in the comfort of their own home–is a rare instance where the vision panned out almost exactly as envisioned. Though no one is thrilling over Atari’s consoles any more, Atari and Bushnell paved the way for every video game platform that has followed.
16. Vint Cerf
Turing Award. National Medal of Technology. Presidential Medal of Freedom. Vint Cerf has one of the most impressive résumés in technology. Cerf’s work as an Internet pioneer has largely taken place in universities and government agencies, which in the early 1970s led directly to the creation of ARPANet, the predecessor to today’s Internet. Cerf now works for–who else?–Google.
17. Don Estridge
IBM veteran Don Estridge is widely known as “the father of the PC,” at least in its Big Blue incarnation. Estridge developed a number of computer systems, even tinkering with NASA radar equipment. But he is best known for his work as a manager–leading a “skunk works” staff of just 14 people that ultimately produced the IBM PC, an “open” platform that could run third-party software and accept third-party upgrades, that would become the standard for business. Tragically, Estridge died in a plane crash in 1985 and never saw his creation achieve ubiquity.
18. Michael Dell
The origin story of Dell Computer Corporation is so well-known it has become part of the canon of the tech business. Michael Dell started his company, PC’s Limited, at age 19 out of his dorm room at the University of Texas. Eventually he dropped out of school to found Dell Computer, which grew at breakneck pace throughout the 1990s. Dell’s marketing philosophy turned the industry on its ear: Rather than offer predetermined configurations, Dell’s machines were totally customizable and built to order. Eventually almost every competing PC manufacturer followed suit–or went out of business.
Alan Kay (#19) to Grace Murray Hopper (#26)
19. Alan Kay
A jack-of-all-tech-trades, Alan Kay lays claim to at least two watershed innovations, starting with HP’s original Dynabook, one of the first usable mobile laptop computers. Kay ideal was to design a laptop that weighed no more than 2 pounds. We still aren’t there yet, but Kay’s contributions to software–which include shepherding the idea of object-oriented programming and the notion of multiple, overlapping windows in a GUI–rank as essential milestones in computing.
20. Marc Andreessen
The Mosaic Web browser devised by Marc Andreessen may seem quaint now, but bits and pieces of Mosaic code remain standard software components of most of today’s commercial browsers. It’s a safe bet that many of Andreessen’s other creations will leave similar legacies: Netscape, the company he founded, set off the tech stock craze of the 1990s, and his Ning Web site continues to grow in popularity as an outlet where anyone can build a topic-oriented social network. He even finds time to blog regularly about all this stuff.
21. Linus Torvalds
Given the exorbitant cost of most Apple computers, Linus Torvalds is the godfather of what may be the last, best hope for an affordable alternative to Windows. The Linux operating system has been in continuous development since Torvalds conceived it in 1991, and has experienced steady gains in popular acceptance every year. And a long last, Linux is making the jump from server rooms to large numbers of desktop PCs, most visibly in low-cost laptops like the Asus Eee PC. The OS now has a market share in excess of 2 percent on the desktop.
22. Chuck Thacker
Chuck Thacker has had his hands in a surprisingly wide array of tech projects, from the development of ethernet to the first laser printers. His most enduring legacy, however, involves a product that never reached market: The fabled Xerox Alto. The Alto, which Thacker designed, was the first computer with a GUI (and a mouse); as the story goes, it directly inspired Apple to build the Macintosh after Steve Jobs paid a friendly visit to Xerox. Thacker now works for Microsoft.
23. Bob Metcalfe
Moore’s Law may be better known, but the law formulated by Bob Metcalfe has wider general application. Posited around 1980, Metcalfe’s Law conjectured that the value of a telecommunications network is equal to the square of the number of nodes on the network. In other words, even a small increase in the size of a network makes it worth far more because of the enlarged number of new connections that each user can make. Metcalfe’s invention of ethernet and his founding of 3Com are essential tech milestones as well, but his eponymous law–now in use to quantify value in the Facebook/MySpace milieu–will be around long after wired networking has passed on.
24. Vic Hayes
Wi-Fi has long been one of technology’s messiest standards–and without Vic Hayes, it might never have come together at all. In the Hayes-less universe we might be left to wallow in a morass similar to the a Blu-ray vs. HD-DVD swamp with multiple incompatible wireless standards. In 1990, Hayes formed the Wireless LAN working group and rallied some 130 companies to work together to develop open standards. The result: 802.11, and the cutting of a very firmly attached cord. Hayes continues to be actively involved in Wi-Fi development today.
25. Dan Bricklin and Bob Frankston
Accounting departments around the world would be lost without the work of Dan Bricklin (left) and Bob Frankston, who worked together in 1979 to develop VisiCalc, the world’s first spreadsheet and arguably the first “killer app” written for a personal computer. The 27KB program can run on PCs today, and its simplicity is a big reason why early PCs sold in droves, especially to business customers. But never mind the bean-counters: You probably owe a lot to VisiCalc yourself. After all, if it weren’t for Bricklin and Frankston, you might not be getting your paycheck regularly.
26. Grace Murray Hopper
That’s Admiral Hopper, bud. Naval officer “Amazing” Grace Hopper was a computing pioneer who cut her teeth in the calculator era. Later she worked on the team that developed the UNIVAC, the world’s first commercial computer, and wrote the compiler software for it (the first such software ever developed). Hopper was instrumental again in the development of the COBOL and FORTRAN programming languages, and she remained a major figure on the technology scene until her death in 1992. Even our language owes a debt to Hopper: She popularized (and possibly coined) the term “bug” after a moth was found in a computer relay during her years at Harvard.
Jeff Hawkins (#27) to Karlheinz Brandenburg and James D. Johnston (#34)
27. Jeff Hawkins
Portable computing was shaped in large part by Jeff Hawkins, who invented the acclaimed PalmPilot, and then followed that up by spearheading development of the Treo six years later. Both Palm and Treo became household names, though Palm as a company has suffered numerous setbacks in recent years. Hawkins is now working on a startup called Numenta with his longtime partner Donna Dubinsky, focusing on the subjects of machine learning and neuroscience, which Hawkins has long had a deep interest in.
28. Fujio Masuoka
If anything is positioned to challenge the dominance of Al Shugart’s hard drive (see #33 below), it’s Flash memory–an invention of Fujio Masuoka. Masuoka developed solid-state storage during his tenure at Toshiba (Masuoka says that the company initially tried to demote him after he came up with the technology). The technology is now seen as a possible way around the fragility of hard drives, as capacity ramps up and prices fall. For smaller gadgets, Flash has become essential…or would you prefer to be saving your digital pictures on floppy disks still?
29. Jonathan Ive
Aside from its showman/CEO Steve Jobs, Apple tends to keep its employees out of the limelight, but Apple VP and design guru Jonathan Ive has broken that mold. That’s appropriate, since he broke another mold too, killing off the beige boxes and bricklike pocket gizmos that had become standard-issue in the tech industry. Ive’s designs for the original iMac and for the iPod got people thinking about tech products as fashion accessories and decorative items instead of as impersonal and purely utilitarian objects.
30. Jeff Bezos
Long scorned by Wall Street, Amazon.com–the creation of Jeff Bezos–is today the one Internet service that many people can’t live without. But Bezos hasn’t stopped at hawking Harry Potter on the Web. His company has also become one of the leading providers of Web services, online storage, and by-the-hour CPU rentals, as Bezos pushes Amazon toward becoming a platform that anyone can use to sell anything that Amazon itself doesn’t.
31. Meg Whitman
A longtime Hasbro marketing executive, Meg Whitman went from the child’s toy box to the grown-up’s as CEO of eBay. Whitman joined the online auction site in its infancy and over the course of a ten-year run shepherded it into one of the most successful businesses on the Web. (She retired in March of this year.) Aside from squabbles over policy changes and the baffling purchase of Skype, eBay’s run has encountered few speed bumps. That success, some say, might lead her to run for governor of California in 2010, but Whitman denies harboring any such ambitions.
32. Bill Joy
A legend in tech circles, Bill Joy was chief scientist for Sun Microsystems for over 20 years, where he oversaw numerous critical technology advances, the most important of which was the development of Java–the first major programming language designed for use on the Web. Still, Joy’s greatest achievement is probably an academic project he worked on at Berkeley: The development of Berkeley Software Distribution (BSD), a major flavor of Unix; even Mac OS X uses BSD as its basis. Today Joy spends his days worrying about the evils of technology, such as bad robots and Grey Goo (a scenario where renegade nanomachines run amok and destroy the world).
33. Al Shugart
You’re probably using a product conceived by Al Shugart right now without even knowing it. Shugart’s company, Shugart Technology, switched to the more exotic-sounding name Seagate Technology soon after opening for business. At Seagate, Shugart developed technology that he had tinkered with during a stint at IBM (where he led the team that invented the floppy disk) into the hard drive for the mass market. The colorful Shugart ran Seagate for nearly 20 years before redefining himself as a sort of venture capitalist/promoter, a role that made him a staple at big tech shows like Comdex. Shugart died in 2006.
34. Karlheinz Brandenburg and James D. Johnston
Who says grad school is all impractical theory? At Friedrich-Alexander University, Karlheinz Brandenburg used his dissertation to work out a way of compressing digital audio files to radically smaller size without greatly deminishing their quality. We know the result now as MP3 coding. At AT&T Labs, American engineer James D. Johnston (left) improved on Brandenburg’s work by introducing “perceptual coding,” which strips out inaudible parts of an audio signal to compress the file further. Johnston’s contribution, too, has become a standard feature of most audio compression schemes.
Ann Winblad (#35) to Alan Emtage with Bill Heelan and Mike Parker (#42)
35. Ann Winblad
Half of the well-known Hummer Winblad Venture Partners investment group, Ann Winblad was a key figure in the Web 1.0 boom, investing in such proto-companies as Napster, Gazoontite, Liquid Audio, and Pets.com. Despite some ill-fated investments, Hummer Winblad picked enough winners to remain a lead investor in dozens of tech companies, primarily back-end enterprises. And lest you think that Winblad is merely a stuffed shirt, consider this: She began her career as a computer programmer in the 1970s and achieved indisputable nerd cred by having dated Bill Gates.
36. Charles Simonyi
Charles Simonyi (plus a little Gatesian muscle, natch) is the reason you use Word and Excel instead of WordPerfect and Quattro Pro. As head of Microsoft’s application development group, Simonyi oversaw development of both Word and Excel back in the MS-DOS days and superintended the app suite for more than 20 years. The programs are now as close to ubiquitous as Windows itself (perhaps even closer, since Office is the standard app suite for the Mac as well). Fun facts to know and tell: Simonyi was the second Hungarian in space in space and is Martha Stewart’s boyfriend.
37. Thomas Penfield Jackson
Few people would have imagined that it a 62-year-old man unaffiliated with the company would have the most profound effect on Microsoft in years. But in 1999 U.S. District Court Judge Thomas Penfield Jackson shook the tech world to its foundations when he handed down a landmark ruling declaring Microsoft to be an abusive monopoly and ordering it split into two companies. Though appellate courts eventually overturned many of Jackson’s rulings, Microsoft has been on the defensive against antitrust actions here and abroad ever since, and all tech companies looking to merge have had to tread more cautiously in Jackson’s wake.
38.  Jerry Yang and David Filo
This unassuming twosome got their start in 1994 while still at Stanford, with a truly humble idea: Populate a directory with cool places that they had found on the then-infant World Wide Web. Yahoo was born on a lark but Jerry Yang (left) and David Filo helped it become one of the Web’s top destinations: Today it is the home page for millions of people seeking the easiest entry point into the Internet. After an unfruitful turn with Hollywood insider Terry Semel at the helm, Yang retook the reins as CEO in June 2007. Yahoo is now coping with separate forays for control of the company by Microsoft and by Carl Icahn. (Full disclosure: The author writes a blog for Yahoo Tech.)
39. Peter Norton
A Buddhist monk before becoming invovled in the tech world, Peter Norton has been a major figure in the computer industry for three decades, having made his mark early in the DOS era with Norton Utilities, the first major data recovery tool for the PC. Norton went on to produce a gaggle of related utilities for the PC and write a series of essential technical manuals before selling his company to Symantec in 1990. Symantec still uses his name on its utility apps.
40. Phil Zimmermann
Phil Zimmermann fought the law so you don’t have to. His Pretty Good Privacy (PGP) application, the first mainstream encryption software, published in 1991, made Zimmermann a pariah in the eyes of the U.S. government. The feds spent three years investigating the possibility that Zimmermann had violated rules forbidding the export of cryptographic tools. The case was ultimately dropped, however, paving the way for everyday people to protect the material on their hard drives and in their e-mail with the same encryption standards that the government itself uses.
41. Jon Postel
How do you move from one IP address to another? Easily, thanks to Jon Postel, the so-called Father of DNS–the system that translates 184.108.40.206 into https://www.pcworld.com/. Postel also did substantial work on the TCP/IP and SMTP protocols, authoring some 200 Internet spec documents overall. But Postel didn’t just envision the DNS system; he ran it himself for years as founding head of the Internet Assigned Numbers Authority (a position that led him into a memorable conflict with President Bill Clinton’s science advisor when he tried to move control of DNS from Network Solutions to IANA). Postel died in 1998.
42. Alan Emtage with Bill Heelan and Mike Parker
Before Google–before the Web even–people had to find a way to locate files and programs hiding out on FTP servers around the world. The answer: Archie (a derivative of “archive”), a 1990 application devised by McGill University student Alan Emtage, who was assisted by Bill Heelan and Mike Parker. In its original incarnation, Archie contacted far-off FTP servers regularly and kept a local list of the files they contained, for easy indexing. That may sound like simple stuff by today’s standards, but it inspired everything about the way we currently work with search, from the Web to the desktop.
Trip Hawkins (#43) to Udi Manber (#50)
43. Trip Hawkins
Electronic Arts is one of the few pure software companies that continues to be important 25 years after its founding–and it wouldn’t have existed at all if not for gaming pioneer Trip Hawkins, a Harvard and Stanford grad and Apple alumnus who in 1982 saw the future in consoles and computer-based games. Hawkins’s foray into hardware–he left EA to launch the 3DO in 1991–met with considerably less success, but his first baby continues to thrive. Just ask John Madden.
44. Arianna Huffington
Political insider Arianna Huffington has had a major influence on technology, but one that has been felt only recently. She spent her early career inside the Washington, D.C., Beltway as a columnist, author, pundit, and TV show writer, far from the geek wiring of Silicon Valley. But in 2005 she launched a little online project called The Huffington Post, which rapidly grew into one of the Web’s most powerful political voices. More than anything, the HuffPo has proven the power of the blog by attracting celebrity writers ranging from John Kerry to Jamie Lee Curtis, all eager to have their message heard through Huffington’s medium.
45. Susan Kare
Another Macintosh 1.0 innovator, Susan Kare worked behind the scenes, but came up with essential innovations. Her earliest achievement was designing the typefaces–and  some of the, er, iconic icons–that shipped with the Macintosh. The “Happy Mac” remains one of computing’s most visible expressions of things working well. Today Kare works as an independent designer: She designed the cards for Windows’ ubiquitous Solitaire game and now designs Facebook’s “Gifts” feature.
46. Sir Arthur C. Clarke
Sure, give Arthur C. Clarke credit for inspiring the minds of thousands of technology pioneers. But Clarke didn’t just write seminal works of science fiction (including 2001: A Space Odyssey); he also conceived of geostationary communications satellites (satellites that orbit the earth at a speed proportional to the earth’s rotation, so that the satellite always remains positioned above the same geographical point). Satellites with such orbits, sometimes termed the “Clarke satellite orbit,” are essential to the telecommunications infrastructure, to GPS, and to numerous other technologies. Clarke died in March 2008 at age 90.
47. Herbie Hancock
When Herbie Hancock released his single, “Rockit” (from the album “Future Shock”) in 1983, few listeners knew what to make of it. But everyone was struck by its unique sound–it was perhaps the first mainstream offering to use scratching. Though Hancock was by no means the first person to make heavy use of synthesizers, drum machines, and other computer-based musical equipment, few musicians relied so heavily on such gear and reached such a wide audience. “Rockit,” with its innovative music video, is now considered a turning point in the electronic music-making scene, where Hancock is revered as an elder statesman.
48. William Gibson
The king of cyberpunk, William Gibson, has dreamed up all manner of high-minded techno wizardry, some of which has actually started to come true. His early stories introduced the term “cyberspace” and the visualization concepts behind it, which in turn prompted people to start thinking about networks in a way that transcended text and a command line. We may not be plugging chips directly into our brains yet, but Gibson’s fiction-based prophecies have a strange way of panning out.
49. Gary Kildall
Called “The Man Who Could Have Been Bill Gates” by BusinessWeek, Gary Kildall was the guy Gates beat out in the bidding to supply IBM with the operating system for the original PC. According to legend, Kildall blew off the meeting with IBM to “go flying,” though Kildall denied that rumor, posthumously, in his unpublished memoirs. Controversy aside, Kildall made significant contributions to the tech business–especially as the head of Digital Research, which created the seminal pre-DOS operating system CP/M, and (later) as a host of the classic Public TV program, Computer Chronicles. Kildall died in 1994.
50. Udi Manber
If there is a search engine anywhere that doesn’t have the thumbprint of Udi Manber on it, we don’t know about it. From Yahoo to Amazon’s A9 to Google, Manber has been one of the search business’s greatest contributors. But Manber’s work goes back even farther than that, to AltaVista. He was a key member of the design team on what many feel was the best engine running until Google came along.
Christopher Null writes regularly for PC World and blogs about technology daily at tech.yahoo.com.
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