Conciatta of Bonisagus
Conciatta of Bonisagus lived 885 - 1007. She was the magical theorist who developed the Art of Vim as applicable to all four Realms, and her book The Application of Vim to the Supernatural Humors is regarded as a classic and used by many apprentices in their training. In her later years she became reclusive. She is described in a chapter of Legends of Hermes.