Question

What are eponyms? What are some examples?

Answer 1

Eponyms are the use of a person's name to name an object, place, theory or law.

Explanation:

Examples of eponyms include

Robert Boyle - Boyles Law
Gustave Eiffel - The Eiffel Tower
Benjamin Franklin - Franklin Stove
Alexander the Great - Alexandria

There is a thorough list of eponyms on Wikipedia.
https://en.wikipedia.org/wiki/List_of_eponyms_(A–K)