Margaret Wise Brown (May 23, 1910 – November 13, 1952) was an American writer of children's books, including Goodnight Moon and The Runaway Bunny, both illustrated by Clement Hurd. She has been called "the laureate of the nursery" for her achievements.

Leonard Joseph Weisgard (December 13, 1916 – January 14, 2000) was an American writer and illustrator of more than 200 children's books. He is known best for his collaborations with writer Margaret Wise Brown.