Who was the first theorist to distinguish between sex and gender?

Sex being our biological difference and gender being the way we behave.Who was the first theorist to distinguish between sex and gender?"gender c.1300, from O.Fr. gendre, from stem of L. genus (gen. generis) "kind, sort, gender," also "sex" (see genus); used to translate from Gk. Aristotle's grammatical term genos. As sex took on erotic qualities in 20c., gender came to be used for "sex of a human being," often in feminist writing with reference to social attributes as much as biological qualities; this sense first attested 1963. Gender-bender is first attested 1980, with reference to pop star David Bowie."



Well it was first used by feminists in 1963, now you know where to start looking. Sorry I don't feel like digging for that fact. I'm not a big fan of the social engineering being attempting by adulterating the meaning of the word gender, or the confusion they have created about sexual imperatives.Who was the first theorist to distinguish between sex and gender?The first people to come up with this theory were social constructionists - in the sociological or philosophical fields. But I'm sorry, I don't know of any writers in particular :-)Who was the first theorist to distinguish between sex and gender?My Gosh too long ago. Wasn't ancient Greek philosopher Aristotle the one to conclude sperm was the key to pregnancy?Who was the first theorist to distinguish between sex and gender?
most religious texts go into this with much detail

they are pretty old