Bettyann Holtzmann Kevles is a senior lecturer emerita in the Department of History at Yale University. Her books include Females of the Species: Sex and Survival in the Animal Kingdom (1986), Naked to the Bone: Medical Imaging in the Twentieth Century (1997), and Almost Heaven: The Story of Women in Space (2003). She is currently co-authoring “Tomorrow: An American Place and Promise” with Daniel J. Kevles.
Bettyann Holtzmann Kevles
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Writing on Public Books
The Inventor of Nature
In 1869 the centennial of Alexander von Humboldt’s birth was celebrated around the world, including in New York City, where bands and speakers gathered in Central Park to honor his legacy. He was hailed as the most brilliant explorer since Alexander the Great, a scientist equal in stature to Charles Darwin, and a genius who […]
Democracy’s Candide
The atrocity last month at the Paris office of Charlie Hebdo reminds us that a free press is as basic in France as it is in the United States. This is one of the freedoms Marie-Joseph Paul Yves Roch Gilbert du Motier, the Marquis de Lafayette, urged his countrymen to adopt in the early days of […]











