 Moore credited two women as her most influential mentors, Mary Wright Plummer (the library director at Pratt) and Caroline Hewins, both pioneers in the development of specialized children's library services.Throughout her career Moore surrounded herself with talented librarians, storytellers and writers.She mentored in turn many significant authors of children's literature, including Margaret McElderry, children's editor and publisher; Eleanor Estes, winner of the 1952 Newbery Medal and three-time runner-up; Claire Huchet Bishop, author of "The Five Chinese Brothers"; Marcia Brown, winner of three Caldecott Medals for illustration; and Ruth Hill Viguers, editor of "The Horn Book".