Leslie Feinberg was a transgender activist, speaker, and author. Feinberg was a high ranking member of the Workers World Party and a managing editor of Workers World newspaper.
Feinberg's writings on LGBT history, "Lavender & Red," frequently appeared in the Workers World newspaper. Feinberg's partner was the prominent lesbian poet-activist Minnie Bruce Pratt. Feinberg was also involved in Camp Trans and was awarded an honorary doctorate from Starr King School for the Ministry for transgender and social justice work.
Feinberg's novel Stone Butch Blues, which won the Stonewall Book Award, is a novel based around Jess Goldberg, a transgendered individual growing up in an unaccepting setting. Despite popular belief, the fictional work is not autobiographical. This book is frequently taught at colleges and universities and is widely considered a groundbreaking work about gender.
Leslie Feinberg was Jewish, and was born female. Feinberg preferred the gender-neutral pronouns "hir" and "ze". Feinberg wrote: "I have shaped myself surgically and hormonally twice in my life, and I reserve the right to do it again."