"Space Odyssey" by Michael Benson documents the making of the iconic film "2001: A Space Odyssey," which celebrates its 50th anniversary in April 2018. Here's a look at photos from the movie's production process.
Pierre Boulat takes stills at dawn, assisted by Catherine Gire, to use for the prehistoric segment that introduces "2001: A Space Odyssey."
Real-life Kokerboom trees served as an inspiration (and very distant background features) in "2001: A Space Odyssey."
"Freeborn with friends of his own making": Costume designer Stuart Freeborn with actors in his "man-ape" suits.
An earlier design by Stuart Freeborn for the pre-humans in "2001".
Actor and mime Dan Richter poses in one of Freeborn's body suits for a costume test.
Dan Richter as Moonwatcher, the lead man-ape in the beginning of "2001: A Space Odyssey."
Stuntman Bill Weston filming a spacewalk scene from "2001."
Bill Weston recovering from oxygen deprivation at the base of the launch tower during intense filming of spacewalk sequences.
Falling in Space
Bill Weston launching from a platform 30 feet above the concrete studio floor.
City of Light
An extraterrestrial cityscape created by special effects supervisor Doug Trumbull for the surreal "trip" sequence of "2001."