Nicolas Flamel (French: [nikɔla flamɛl]; c. 1330 – 22 March 1418) was a French écrivain public, a draftsman of public documents such as contracts, letters, agreements and requests. He and his wife also ran a school that taught this trade. . Long after his death, Flamel developed a reputation as an alchemist believed to have created and discovered the philosopher's stone and to have thereby achieved immortality. These legendary accounts first appeared in the 17th century.
https://en.wikipedia.org/wiki/Nicolas_Flamel