By Feynman, Richard P.
By Ewing Duncan
By Market House Books
By Patrick Moore, John Mason
By Valerie Illingworth
By GarlicK, Dr. Mark A.
By Hague, B.
By Leendertz, Lia
By Stott, Carole
By Clark, Stuart
By Moore, CBE DSc FRAS Sir Patrick
By Furniss, Tim, McTavish, Douglas, Taylor, Ron
By Scagell, Robin, Kindersley Dorling
By DK
By Parragon Books Ltd
By Rovelli, Carlo, Segre, Erica, Carnell, Simon
By Woodmansee, Laura
By Donald Grant
By John Woodruff
By Paul Weissman, etc., Lucy Ann McFadden (University of Maryland, College Park, USA), Torrence Johnson (Jet Propulsion Laboratory, Pasadena, California
By Edward Adams (King's College London, UK)
By Murray Gell-Mann
By Storm Dunlop, Wil Tirion, Royal Observatory Greenwich, Collins Astronomy
By Jack Klaff
By Lia Leendertz
By Chris North, Sir Patrick Moore