Marc Andreessen

Updated: 09/15/2017 by Computer Hope
Marc Andreessen

Name: Marc L. Andreessen

Born: July 9, 1971

Computer-related contributions

  • Co-author of NCSA Mosaic, the first widely-used web browser.
  • Co-Founder of Netscape Communications Corporation best known for Netscape Navigator, its web browser. Netscape developed the SSL (secure sockets layer) protocol for securing online communication, and JavaScript, the most widely-used language for client-side scripting of web pages.
  • Founded software company Opsware.
  • Co-Founder of Ning, a company that provides a platform for social networking websites.
  • Sits on the board of directors for Facebook, eBay, and HP (Hewlett-Packard).

Honors and awards

  • One of only six inductees in the World Wide Web Hall of Fame.

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