sentences:  This is where Raffalovich met the love and companion of his life, John Gray.In 1890, his sister Sophie married the Irish nationalist politician William O'Brien (1852–1928).In 1894, Raffalovich started to contribute on the subject of homosexuality ("unisexualité", as he called it) to the "Archives de l'Anthropologie Criminelle", a prestigious revue founded in Lyon by Alexandre Lacassagne, a pioneer criminologist and professor of forensic medicine.