Lloyd Newton Morrisett Jr. (November 2, 1929 – January 15, 2023) was an American experimental psychologist with a career in education, communications, and philanthropy. He was one of the founders of the Children's Television Workshop (now known as Sesame Workshop), the organization that created the children's television show Sesame Street, which Morrisett created with Joan Ganz Cooney.

Description above from the Wikipedia article Lloyd Morrisett, licensed under CC-BY-SA, full list of contributors on Wikipedia.