agassiz, louis

Tells the story of three different investigators who forever altered man's knowledge of the history of life on Earth by proving the existence of the Ice Age.

Describes the history of photographs taken of seven South Carolina slaves in 1850 for a study by naturalist Louis Agassiz to provide evidence that Africans were biologically inferior, describing the men and women in the photographs, and examines the scientific theories used to support Agassiz's theory.