Raffard the White

Also known as White Raffard, he was a legendary sorcerer and alchemist who lived before and during the creation of the Brotherhood of Sorcerers. History indicates that he created beautiful and notable things, however, those who delve a little deeper will find that Raffard also ruled Temeria in secret during the reign of Abdank. He fiercely opposed the formation of the Conclave of Mages, dying in battle against sorcerers who controlled the new hierarchy of order.

In The Witcher game series
Within the games, Raffard's legacy has been immortalized by a potion called White Raffard's decoction.

Raffard der Weiße Raffard il Bianco Raffard Biały