Kathleen Broome Williams, a graduate of Wellesley College and Columbia University, holds a Ph.D. from City University of New York. She is the author of Grace Hopper: Admiral of the Cyber Sea, a North American Society for Oceanic History award winner, Secret Weapon: U.S. High-Frequency Direction Finding in the Battle of the Atlantic, and Improbable Warriors: Women Scientists and the U.S. Navy in World War II, which won a History of Science Society book award. Currently, she is a professor of history at Cogswell Polytechnical College in Sunnyvale, California, and lives in Oakland, CA.