James Henry Clark is an American entrepreneur and computer scientist. He founded several notable Silicon Valley technology companies, including Silicon Graphics, Netscape, myCFO, and Healtheon.
Adapted from Wikipedia (CC BY-SA 4.0).
Dated facts from Wikidata; ages marked “about” come from year-only dates.
Each figure is a dated estimate from the publisher shown; wealth changes, and nothing here is live.
| As of | Estimate | Source |
|---|---|---|
| 2025 | $7.2B | Forbes · current |
Every fact on this page traces to one of these.
Also born on March 23
Actor
1976 · United States
Keri Lynn Russell is an American actress. Working mainly in dramatic television since the 1990s, she has received eight nominations for the Critics' Choice Television Award for Best Actress in a Drama Series.
Greg2600, CC BY-SA 2.0, via Wikimedia Commons
Actor
1976 · United States
Michelle Lynn Monaghan is an American actress. She has starred in the films Kiss Kiss Bang Bang (2005), Gone Baby Gone (2007), Made of Honor (2008), Eagle Eye (2008), Trucker (2008), Source Code (2011), Pixels (2015) and Patriots Day (2016).
https://www.flickr.com/photos/greg2600/, CC BY-SA 2.0, via Wikimedia Commons
Inventor
1912–1977 · United States
Wernher Magnus Maximilian Freiherr von Braun was a German American aerospace engineer and space architect. He led the development of German rocket technology in World War II, during which time he became a member of the Nazi Party and later the Allgemeine SS.
NASA/MSFC, Public domain, via Wikimedia Commons
Entrepreneur
1906–1977 · United States
Joan Crawford was an American actress. She began her career as a dancer in traveling theatrical companies before debuting on Broadway. Crawford was signed to a motion-picture contract by Metro-Goldwyn-Mayer in 1925.
George Hurrell, Public domain, via Wikimedia Commons
Creator
1910–1998 · Japan
Akira Kurosawa was a Japanese filmmaker who directed 30 feature films in a career spanning six decades.
映画の友 (Eiga no tomo), Public domain, via Wikimedia Commons
Creator
1933–2024 · United States
Philip George Zimbardo was an American psychologist and a professor at Stanford University.
Celina Strzelecka, CC BY-SA 4.0, via Wikimedia Commons