Quirinus Quirrell

"I met him when I traveled around the world. A fool I was young then, full of ridiculous ideas about good and evil. Lord Voldemort showed me how wrong I was ... Since then I have served faithfully, but often betrayed .Harry potter hagrid
Quirrell-
Quirinus Quirrell, and was assistant professor of defense against the dark arts at Hogwarts School of witchcraft and sorcery during the academic year 1991-1992. Before this position, he taught Muggles studies [1]. Quirrell spiral of corruption and, ultimately, death after entering an alliance with Lord Voldemort.Harry potter hagrid
Quirrell - The Man
Little is known about Quirrell the early stages of life. It is likely that attended Hogwarts, and may have been in Ravenclaw house, as Hogwarts Gamekeeper Rubeus Hagrid said it was a brilliant mind.Harry potter hagrid
At some point, Quirrell took a position as professor of education at Hogwarts Muggles Studies. After teaching for a time took a long sabbatical to gain first-hand experience. Quirrell said he has received his turban African prince as a compensation for the removal of a zombie, and it is rumored that he met vampires in the Black Forest of Albania. Quirrell found something horrible when he traveled around the world, Lord Voldemort. The evil Dark Lords alive twisted-naive Quirrell at your service, Quirrell seduced with promises of glory.
In 1991, Quirrell tried to steal the Philosopher's Stone from Gringotts Wizarding Bank of Voldemort. Quirrell was not successful because Hagrid had removed the stone vault of her earlier the same day, the orders of Dumbledore.Harry potter hagrid