You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: ART 
Clue: In 1546 Pope Paul III appointed this artist architect of St. Peter's Basilica
michelangelo

Category: -OLOGIES 
Clue: From the Greek for "growing in", it studies the development of organisms in their earliest stages before birth
embryology

Category: IT'S ANDREW! 
Clue: The son of illustrator N.C., this painter had his first exhibition in 1936 at the Art Alliance of Philadelphia

andrew wyeth