Kitty Oppenheimer
Katherine Vissering "Kitty" Oppenheimer (née Puening; August 8, 1910 – October 27, 1972) was an American biologist, botanist, and a member of the Communist Party of America until leaving in the 1930s. Her husbands were Frank Ramseyer, Joe Dallet, Richard Stewart Harrison, and physicist J. Robert Oppenheimer, the director of the Manhattan Project's Los Alamos Laboratory during World War II. Kitty has been portrayed in several films about the Manhattan Project, including Oppenheimer (2023) by Emily Blunt.