John B. Duff
From Wikipedia, the free encyclopedia
John Bernard Duff (born July 1, 1931) is the former commissioner of The Chicago Public Library. He was also President of Columbia College in Chicago.
He is the father of six children. Michael John Duff, Maureen (Reenie) Ellen Duff, Patricia Duff Bernacki, John Andrew Duff, Robert Matthew Duff and Emily Anne Duff.

