Alison Li is an historian of science and medicine who writes about medical research, hormones, and the culture in which they were shaped. She received the 2025 Jason A. Hannah Medal of the Royal Society of Canada for her book Wondrous Transformations.
Alison takes great pleasure in bringing the wonder of science to a non-specialist audience, especially those who feel that science is not for them. She lives in Toronto.
Harry Benjamin (1885-1986) was a pivotal figure in the early history of trans healthcare. He is the subject of my book Wondrous Transformations: A Maverick Physician, the Science of Hormones, and the Birth of the Transgender Revolution.
In 1966, Benjamin was the author of the ground-breaking book, The Transsexual Phenomenon, which was the first major text to try to define transgender identity and t
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