The fifth in a series of five histories of the Carnegie Institution of Washington, offering an exciting exploration of a century of scientific discovery.

Preface; Introduction Jane Maienschein; 1. The human embryo collection at the Department of Embryology of the Carnegie Institution of Washington Adrianne Noe; 2. How rhesus monkeys became laboratory animals Elizabeth Hanson; 3. Reproductive science at the Carnegie Department of Embryology, 1913-71 Adele E. Clarke; 4. The Lewis films: tissue culture and 'living anatomy' at the Department of Embryology, 1919-40 Hannah Landecker; 5. Heredity, development and evolution at the Carnegie Insitution of Washington Garland E. Allen; 6. The Department of Embryology in the second half of the twentieth century Donald D. Brown; 7. Looking ahead Allan Spradling.