Will Lee

William Lee (born William Lubovsky; August 6, 1908) was an American actor who appeared in numerous television and film roles, but was best known for playing Mr. Hooper, the original store proprietor of the eponymous Hooper's Store. He was one of the four original human characters on Sesame Street, from the show's debut in November 1969.

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