• 4 Videos, Slides, Films

• 4 DVDs
• 1 Blu-ray Discs

• 4 Hawking, Stephen, 1942-2018
• 3 Astrophysicists

• 4 Hickman, David (Film director)
• 4 Morris, Errol
• 2 Bafaloukos, Ted
• 2 Bailey, John, 1942 August 10-
• 2 Criterion Collection (Firm)
• 2 Freedman, Gordon
• 2 Fuller, Brad (Film editor)
• 2 Glass, Philip
• 2 Janus Films
• 2 National Broadcasting Company
• 2 Tōkyō Hōsō
• 1 Berry, H. G. (Henry Gordon), 1940-
• 1 Carter, B. (Brandon)
• 1 Channel Four (Great Britain)
• 1 Channel Four Films (Firm)
• 1 Czapsky, Stefan
• 1 Discovery Communications, Inc
• 1 Dutch Filmworks
• 1 Laflamme, Raymond, 1960-
• 1 Munkacsi, Kurt
• 1 Penrose, Roger
• 1 Powney, Derek J.
• 1 Sciama, D. W. (Dennis William), 1926-

• 4 English

• 3 Great Britain

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