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University at Buffalo Libraries

University Archives

Diefendorf Hall

Diefendorf Hall houses several large lecture halls as well as other classroom teaching facilities. Now that Mathematics Department has moved to the North Campus, part of Diefendorf will be renovated to house the Attention Deficit Hyperactivity Disorder Program.


Charles Haas Diefendorf (1890-1975) was a distinguished banker and prime mover in civic, philanthropic and cultural affairs in Buffalo. He was also a member of the University Council and General Administration Committee and a 1961 Chancellor's Medal recipient.

History and Chronology

  • 1962 -- (September 1) Completion of Charles H. Diefendorf Hall
  • 1962 -- (October 1) Cornerstone Ceremony

Building and Construction Information

Contractors: BAW Construction Co., Inc.
Cost: $1,583,704
Size: 76,265 sq. ft.