Marc Andreessen
(1971-present)

Aged 47

Marc Lowell Andreessen (/ænˈdriːsən/ an-DREE-sən; born July 9, 1971) is an American entrepreneur, investor, and software engineer. He is the coauthor of Mosaic, the first widely used Web browser; cofounder of Netscape; and cofounder and general partner of Silicon Valley venture capital firm Andreessen Horowitz. He founded and later sold the software company Opsware to Hewlett-Packard. Andreessen is also a cofounder of Ning, a company that provides a platform for social networking websites. He sits on the board of directors of Facebook, eBay, and Hewlett Packard Enterprise, among others. A frequent keynote speaker and guest at Silicon Valley conferences, Andreessen was one of only six inductees in the World Wide Web Hall of Fame announced at the First International Conference on the World-Wide Web in 1994.

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Wikidata Wikipedia

creator of Mosaic

Commemorated on 1 plaque

Photo of Mosaic, Marc Andreessen, and Eric J. Bina brown plaque
on Wikimedia Commons

Web browser. Mosaic, the first popular graphical browser for the world wide web, was created by Marc L. Andreessen and Eric J. Bina at the National Center for Supercomputing Applications (NCSA). Upon its 1993 release to the public, Mosaic gave internet users easy access to multimedia sources of information. Web browsers have transformed the exchange of information.

NCSA Building, 1205 W. Clark St, Urbana, IL, United States where he worked