In more than three decades as a proud transgender activist, Jamison Green has moved from making history to writing it as one of the authors and editors of a new book, “A History of Transgender Medicine in the United States, From Margins to Mainstream” — an important contribution to the discussion during these times of growing intolerance (interviewed by David Hunt) and presented here in a 20-minute extended version of the 14-minute This Way Out Radio feature for episode 1949.