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.

an eponym is a person's name that is used to name something else.
eponym

karl mannheim (27 march 1893 - 9 january 1947), or károly mannheim in original writing of his name, was a hungarian-german sociologist and social scientist.
karl mannheim

mohamed aboutrika (; born 7 november 1978) is a retired egyptian footballer.

mohamed aboutrika