Dr. Magnus Hirschfeld (1868-1935):
- A German sexologist and physician, Hirschfeld was a pioneer in the field of sexual science.
- In 1906, he performed one of the earliest documented gender-affirming surgeries on a patient who was assigned female at birth.
- He founded the Institute for Sexual Science in Berlin, a center for research and advocacy on LGBTQ+ issues.
Dr. Christian Hamburger (1882-1953):
- A Danish surgeon who performed some of the earliest male-to-female gender-affirming surgeries in the mid-20th century.
- His work helped establish early surgical techniques for vaginoplasty.
Dr. Harry Benjamin (1899-1986):
- An endocrinologist who played a crucial role in developing the hormonal treatment protocols for gender transition.