Irwin Chanin was born to a
Jewish family, the son of an immigrant from Poland and an immigrant from
Poltava, Ukraine. In 1915, he graduated from
Cooper Union with a degree in
civil engineering. In 1919, Chanin and his brother Henry founded the Chanin Construction Company. He was President of Chanin Theatres Corporation, and his brother Henry I. Chanin was Treasurer. In 1981,
Cooper Union renamed its school of architecture after him. Near the end of Chanin's life, several of his developments were protected as
New York City designated landmarks, including the Century Apartments, the Beacon Theatre, and all six of his Broadway theaters. ==Personal life==