This is Eliza, she's a professor and a curator at the Jewel Museum in London and a good friend of Professor Hershel Layton (Layton's first name is reviled in the second game) and she's related to Layton's mentor, Doctor Andrew Schrader. (who is mentioned in the second game as well) She some time calls Layton "Hersey".(... i kinda messed up on her..)