William Daley (1925 – 2022) was born in Hastings-on-Hudson, New York. He graduated from the Massachusetts College of Art and Design with a bachelor's degree in 1950, then went to study at Teachers College, Columbia University, graduating in 1952. He initially taught at state schools in Iowa and New York until he was hired at the University of the Arts, Philadelphia in 1957; he taught there until 1990.