The famous alchemist Jabir was a whole corpus, not one man

Evidence

However, ‘Jabir’ was not really a single person, but rather a corpus of effectively anonymous literature and, moreover, that literature mostly dealt with such occult matters as the making of talismans and recipes for poisons that could allegedly kill at a distance. — Robert Irwin, For Lust of Knowing, 66

Categorization

• CANDY: Delightful: ‘Jabir, father of chemistry’ is a corporate pseudonym for an anonymous occult literature.