Annette Kellerman was an Australian swimmer, actress, and writer born on July 6, 1887. She gained fame for her pioneering efforts in women's swimming and was known for promoting physical fitness for women. Kellerman became the first woman to wear a one-piece swimsuit in public, challenging societal norms of her time. In addition to her swimming career, Kellerman appeared in several silent films during the early 20th century, showcasing her athletic abilities. She also authored books on health and fitness, contributing to the growing movement for women's rights and body positivity. Her legacy continues to inspire athletes and advocates for women's sports today.