Dr. Gregory Rubin

Dr. Gregory Rubin is a professor who teaches anthropology at the university that Phoebe Halliwell is attending. He plays a vital role in helping the sisters figure out the identity of the demon Athulak. Rubin only appears in the novel, Beware What You Wish.

His office is located in the basement with out-of-place wires and pipes. He has kept his history book which was a bestseller during the mid-1980's.

History
When the sisters tried to figure out the mystery behind Stephen Tremaine's spirit stone, they found no clues, and Phoebe suggested they turn to the professor for help since he was an expert on prehistorical objects.

Prue sought him out and showed him a photo of the stone Tremaine was holding. Dr. Rubin told him everything he knew about the stone and Athulak.

Appearances
Dr. Gregory Rubin has appeared in a total of 1 non-canonical novel throughout the franchise.