Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.

walter rudolf hess (17 march 1881 – 12 august 1973) was a swiss physiologist.
walter rudolf hess

universal studios (sometimes called universal pictures or universal city) is one of the major american movie studios that has production studios and offices at 100 universal city plaza drive in universal city, california, an unincorporated area of los angeles county between los angeles and burbank.
universal studios

identity theft is a type of fraud that involves using personal details belonging to the victim.

identity theft