An American psychiatrist and physician, she was closely associated with the San Francisco Bay Area's leftist circles in the 1930s and 1940s. She gained posthumous recognition due to her romantic relationship with J. Robert Oppenheimer, the father of the atomic bomb. Despite her promising medical career, she struggled with depression throughout her life. Her death in 1944, ruled as suicide, left a lasting impact on those who knew her and has intrigued historians for decades.