Gnom Burstein

 was the rabbi of the Altneuschul in the 22nd century when the Wronsdehj conquered parts of Europe. She was forced to work at the home of one of the Wronsdehj, where she met the Fourth Doctor, who was looking for the Golem of Prague. Together they released the golem, which defeated the Wronsdehj, who fled. (PROSE: Life from Lifelessness)