Leonard S. Marcus (born December 11, 1950)[1] is an American author and expert on English language children's literature.
Marcus has been a critic for several publications including Horn Book and the New York Times Book review.
[2] Born and raised in Mount Vernon, New York, he attended Yale University (Class of 1972) and was editor of the Yale Literary Magazine.
[citation needed] Marcus was married to children's book author and illustrator Amy Schwartz from 1990 until her death in 2023.
The couple had one son.