Pioneer of sex reassignment surgeries. He performed more than 5,000 of them during his career.
He was among the first and only doctors to perform sex change operations for years.
He turned his little town of Trinidad, Colorado, where he held his practice, into the sex change capital of the world.
He had seven children, seven stepchildren, and 22 grandchildren.
He was fictionalized in an episode of the Trey Parker and Matt Stone animated series South Park.