Virginia E. Johnson was an American sexologist and a key figure in the field of human sexuality. She is best known for her work alongside William H. Masters in the 1960s, where they conducted groundbreaking research on sexual response and behavior. Their collaboration led to the development of the Masters and Johnson model of sexual function, which significantly influenced sexual therapy and education. Born on July 24, 1925, Johnson's contributions to sexology included co-authoring several influential books, such as Human Sexual Response and Human Sexual Inadequacy. Her research helped to destigmatize discussions about sex and provided valuable insights into sexual health, making her a prominent figure in the study of human sexuality.