Materials used or accumulated by Robert "Bob" Hanselman during his time as a student at the University of Waterloo. Includes photographs of the University's first buildings, a slide rule, a book with mathematical tables used by Hanselman in his courses, two yearbooks, and Hanselman's briefcase.

Three notebooks kept by Thomas P. Stowell with mathematical problems, solutions, and notes.

Fonds consists of material relating to William Kindree's involvement in the WATFOR 360 group and material relating to the 25th anniversary of WATFOR. Includes Kindree's notes (design and general) and draft documentation, guides and other publications about WATFOR, photocopied conference proceedings and published papers, correspondence, a newsletter, and a photograph of the WATFOR team.