- Michael Pollan: An American author and journalist known for his books on food and agriculture, including "The Omnivore's Dilemma" and "In Defense of Food."
- Maya Angelou: An American poet, memoirist, and civil rights activist. Some of her famous works include "I Know Why the Caged Bird Sings" and "And Still I Rise."
- Mario Puzo: An American author best known for his novel "The Godfather," which was later adapted into a critically acclaimed film.
- Mary Pope Osborne: An American children's book author, best known for the "Magic Tree House" series.
- Margaret Peterson Haddix: An American writer of young adult fiction, known for her series "The Shadow Children."
This list is not exhaustive, and there may be other authors with the initials M.P. Can you clarify which specific author you are interested in?