Marc Andreessen
(1971-present)

Aged 51

Marc Lowell Andreessen (/ænˈdriːsən/ ann-DREE-sən; born July 9, 1971) is an American entrepreneur, investor, and software engineer. He is the co-author of Mosaic, the first widely used web browser; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm Andreessen Horowitz. He co-founded and later sold the software company Opsware to Hewlett-Packard. Andreessen is also a co-founder of Ning, a company that provides a platform for social networking websites. He sits on the board of directors of Meta Platforms. Andreessen was one of 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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creator of Mosaic

Commemorated on 1 plaque

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 they worked