Zhang Beichuan
Zhang Beichuan (Chinese: 张北川; pinyin: zhāng běi chuān) is a Chinese researcher, dermatologist, LGBT activist, and AIDS prevention specialist. He originally studied dermatology under the dermatologist Qin Shide in Qingdao University, but decided to branch off and pursue the study of LGBT issues after seeing his teacher being discriminated against based due to his teacher's sexual orientation.