Margaret K. McElderry is one of the legends of children's book publishing.
As an editor she has greatly influenced the development of children's
literature. She began her professional career as a librarian. She trained at the
Carnegie Library School in Pittsburgh, Pennsylvania. Upon completing the
training program, she worked under
Anne Carroll Moore for nine years at the New York Public
Library. Then in 1945, she moved to the publishing realm where she became
the head of the juvenile department at Harcourt, Brace and Company. She was the first publisher to have books that she published win both the Caldecott
and the Newbery Awards' in the same year (Finders' Keepers by
Eleanor Estes won the 1952
Caldecott Award while Ginger Pye by Will Lipkind won the 1952 Newbery
Award). In 1971, she moved to Atheneum to become the Director of Margaret
K. McElderry Books. As a result of the move, she was also the first editor of
children's books to be given her own imprint.