Simplify the following text for a Grade 13 native English-speaking person.
Original: Dame Jane Morris Goodall , DBE ( born Valerie Jane Morris-Goodall on 3 April 1934 ) , is a British primatologist , ethologist , anthropologist , and UN Messenger of Peace .
Simplified: Goodall is a British primatologist , ethologist , anthropologist , and UN Messenger of Peace .