I think you mean Nicolas Flamel; he was a 14th century scriviner and manuscript seller who, after his death, had a reputation as a alchemist.
The creator and only known owner of a philosopher's stone in the Harry Potter series was Nicolas Flamel. The stone was destroyed at the end of the first book to prevent Lord Voldemort from stealing it and returning to power.
Harry potter and the philosopher's stone based on the real life philosopher's stone created by Nicolas Flamel
The first time Harry saw the name "Nicolas Flamel" was on Albus Dumbledore's Chocolate Frog card while on the Hogwarts Express.
Nicolas Flamel, although he wasn't a scientist. He was an author who, after his death was rumoured to be linked to the Philosopher's Stone.
I am unsure of who you are talking about, but the most famous would be Nicolas Flamel. See "Related Links" below for more information on Nicolas Flamel.
Perenelle Flamel (first introduced as Perry Flemming).
Harry Potter received Albus Dumbledore's famous witches and wizard card on the Hogwarts Express. The card mentioned Nicolas Flamel and when that name came up again later in the year Harry struggled to remember where he had come across the name before.In the movie, he remembers after Hermione discovers Flamel in a book. In the book, Neville gives Harry another Dumbledore card which reminds Hermione about a book she had checked out.
Albus Dumbledore. This is where Harry first read the name Nicolas Flamel, although he couldn't remember that until Neville Longbottom gave him another Dumbledore card towards the end of the year.
Nicolas was a friend of Albus Dumbledore who made a Philosopher's Stone which allowed him to produce the Elixir of Life. Consequently, he and his wife, Perenelle were over 600 years old. Rubeus Hagrid drops this name when the trio are asking him about Fluffy, so they research him to try to learn more.
Albus Dumbledore, the headmaster of Hogwarts, appeared on the first chocolate frog card Harry Potter received whilst on the Hogwarts Express. The description on the card mentioned his work with Nicolas Flamel, when Harry heard the name later he couldn't remember where he had previously read it until he received the card again towards the end of the year.
harry!
Nicholas Flamel was a really person who was a celebrated alchemist connected to a Philosopher's Stone.