Muchnick (Isidore H.Y.) is born in the West End.

Isidore Muchnick graduates from Boston Latin School and Harvard College. He lives at 43 Hewins Street until 1943. Muchnick serves on the Boston City Council (1943-47), is instrumental in gaining a tryout for Jackie Robinson with the Red Sox in 1945,* and serves on the Boston School Committee (1947-1951). He dies on September 15, 1963.