Author Ray Bradbury at the Yuri's Night celebration in Los Angeles on April 12, 2004. Loretta Hidalgo and George Whitesides are looking on.

Ron Howard and Tom Hanks with a Mach 25 Media-produced display for the Orange County Space Society. This display was in the main lobby of the theaters at Universal CityWalk for four weeks during the IMAX presentation of "Apollo 13".

Star Trek's Nichelle Nichols with singer Lance Bass

Vice President Dan Quayle speaking at the Jet Propulsion Laboratory during the Voyager 2 encounter with Neptune.

Teri Hatcher

Special effects wizard Stan Winston

Filmmaker James Cameron and his wife, Suzy Amis

"Ghosts of the Abyss" premiere guest.

Melissa Jo Hunter and friends

Lance Henricksen and Bill Paxton

(Wally Schirra from "The Right Stuff" and Fred Haise from "Apollo 13")

Dr. Carl Sagan at the Jet Propuslion Lab

Voyager 2 encounter with Saturn, August 1981

Test pilot Chuck Yeager

Astronaut Gordon Cooper with test pilot Chuck Yeager

Ed Harris (Gene Kranz from "Apollo 13").

Rod Roddenberry (Gene Roddenberry's son) at the Yuri's Night 2004 event.