Linus Woolf

 was a professor at Sedgwick College when the First Doctor visit in 1937. He ran for the position of Provost. He couldn't remember when Isaiah Hardy went missing and helped with the Doctor's investigations. He had manipulated the election for the new provost so that he could win. He wanted to destroy Cambridge in order to stop the humans developing nuclear weapons and to stop World War II. (AUDIO: Entanglement)