Los Alamos Nuclear Facility in 1974.
Signal Hill oil field, Long Beach, California, 1937
Stephen Hawking appearing as his own holographic counterpart in the Star Trek: The Next Generation sixth season episode "Descent" in 1993.
While filming the episode, Hawking was taken on a tour of the engineering set; indicating the warp core, he said, "I'm working on that."
On a subsequent visit to the set, he passed by actor Brent Spiner and asked where his money was from winning the hand of poker. Spiner replied that the check was in the mail. Hawking was interviewed on 8 April 1993 when he filmed his Trek appearance.
This interview was part of the TNG Season 6 DVD special feature "Mission Overview Year Six" – "Descent – Part 1 Featuring Stephen Hawking".
