Divergence

Charles Sheffield (1935–2002) was a mathematician, physicist, and author of both nonfiction and science fiction. For his novel Brother to Dragons, he won the 1992 John W. Campbell Memorial Award for Best Science Fiction Novel. He won the Nebula Award in 1993 and the Hugo Award in 1994 for his novelette Georgia on My Mind. He was a president of the Science Fiction and Fantasy Writers of America and of the American Astronautical Society. He served as chief scientist of Earth Satellite Corporation, a company that processed remote sensing satellite data. He was a distinguished lecturer of the American Institute of Aeronautics and Astronautics and a board member of the National Space Society. Born and educated in England, he held bachelor’s and master’s degrees in mathematics and a doctorate in theoretical physics.

Geoffrey Howard (a.k.a. Ralph Cosham) (1936–2014) was a British journalist who changed careers to become a narrator and screen and stage actor. He performed in more than one hundred professional theatrical roles. His audiobook narrations were named “Audio Best of the Year” by Publishers Weekly, and he won seven AudioFile Earphones Awards, and in 2013 he won the coveted Audie Award for Best Mystery Narration for his reading of Louise Penny’s The Beautiful Mystery.