The following is a guest blog post by Alison Li, author of Wondrous Transformations: A Maverick Physician, the Science of Hormones, and the Birth of the Transgender Revolution, which is available now wherever books are sold. When I was debating whether to write a biography of Dr. Harry Benjamin (1885-1986), several questions loomed large. Benjamin, a German-American physician, is best known as a pivotal figure in the development of transgender healthcare. His 1966 book The Transsexual Phenomenon was ground-breaking—the first major work to systematically describe the phenomenon of transsexuality and to advocate using the tools of medicine...