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Jim Clark

Jim Clark

Founder of Silicon Graphics, Netscape and Healtheon

23 March 1944 United States Verified by our editors
Age
82 yrs
Birthday in 137 days
Works listed
2
Chip design, Book
Honours
0
Awards & distinctions
Profile views
2
0 followers

Jim Clark is an American computer scientist and entrepreneur who founded Silicon Graphics, maker of 3D graphics workstations, and co-founded Netscape with Marc Andreessen. He was the first person to found three separate billion-dollar technology companies.

Biography

Background

Clark dropped out of high school in Texas and joined the US Navy, where tests showed his mathematical talent. He earned degrees in physics and a PhD in computer science at the University of Utah in 1974.

Silicon Graphics

As a Stanford professor, he designed the Geometry Engine, a chip for 3D graphics, and in 1982 founded Silicon Graphics (SGI). SGI computers created effects for films such as Jurassic Park and Terminator 2.

Netscape

In 1994 he recruited Marc Andreessen to found Netscape. Its 1995 public offering started the dot-com boom.

Healtheon and more

He founded Healtheon, which merged into WebMD, and myCFO. His story was told in Michael Lewis’s book The New New Thing.

Timeline

  1. 1944

    Born in Plainview, Texas, United States

  2. 1974

    PhD from Utah

  3. 1982

    Founds Silicon Graphics

  4. 1994

    Co-founds Netscape

  5. 1995

    Netscape IPO

  6. 1996

    Founds Healtheon

  7. 1999

    The New New Thing published

Notable works

  • 1981

    Geometry Engine Chip design

  • 1999

    Netscape Time Book

Did you know?

  1. 1

    He owned the yacht Hyperion, then one of the largest sailing boats in the world.

  2. 2

    SGI’s former campus became Google’s headquarters.

  3. 3

    He was a student of Ivan Sutherland’s Utah programme.

Connections

Frequently asked

Who is Jim Clark?

Jim Clark is an American computer scientist and entrepreneur who founded Silicon Graphics, maker of 3D graphics workstations, and co-founded Netscape with Marc Andreessen. He was the first person to found three separate billion-dollar technology companies.

How old is Jim Clark?

Jim Clark is 82 years old, born on 23 March 1944 in Plainview, Texas, United States.

Where is Jim Clark from?

Jim Clark was born in Plainview, Texas, United States.

What is Jim Clark known for?

Jim Clark is best known for Founding Silicon Graphics (1982), Netscape (1994) and Healtheon (WebMD).

References

  1. James H. Clark — Wikipedia. Wikipedia. Retrieved 4 November 2026.
  2. James H. Clark — Britannica. Encyclopaedia Britannica. Retrieved 4 November 2026.
  3. James H. Clark (Q1373397) — structured data. Wikidata. Retrieved 4 November 2026.

Includes material from the Wikipedia article “James H. Clark”, licensed under CC BY-SA 4.0. That text is available under the same licence. Learn more

External links

About this profile

Cite this page

“Jim Clark.” TrackFame, last updated 5 November 2026. https://trackfame.com/person/jim-clark

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