 While working on "The Children's Corner", Rogers attended Pittsburgh Theological Seminary, and was ordained as a Presbyterian minister in 1962.He also attended the University of Pittsburgh's Graduate School of Child Development, where he began working with child psychologist Margaret McFarland, who according to Rogers' biographer Maxwell King became his "key advisor and collaborator" and "child-education guru".Much of Rogers' "thinking about and appreciation for children was shaped and informed" by McFarland.