page 6, excerpt from “This Be the Verse” from The Complete Poems of Philip Larkin by Philip Larkin, edited by Archie Burnett. Copyright © 2012 by the estate of Philip Larkin. Reprinted by permission of Farrar, Straus and Giroux.
page 20, reproduced with permission from Chris Stringer
page 99, reproduced and redrawn by Stephen Leslie
page 225, taken from Galton, Francis, “On the Anthropometric Laboratory at the International Health Exhibition,” Journal of the Anthropological Institute 14 (1884), 12 and reproduced with permission from Wiley
page 270, courtesy of Cold Spring Harbor Laboratory.
page 361, excerpt from Eliot, T. S., “Little Gidding” from Four Quartets (Faber and Faber, 1942). Reproduced with permission from Faber and Faber Ltd.