Magnus Hirschfeld, influential figure in sexology, and Li Shui Tong's love story and its impact on modern ideas about 'homosexuality'. The white male-centricness of sexology, gay rights, and movements shaped by Hirschfeld's early work. Examining their story reveals the contingency and interconnectedness of history. Missed opportunity for intersectionality and antiracism. The chapters explore Hirschfeld's scientific defense of homosexuality, his search for a successor, and Lee's struggles and unrealized potential in sexology.