This fonds contains offprints collected by Dr. Knight. The primary focus of the material deals with photochemistry (a branch of chemistry having to do with the effect of radiant energy, especially light, in producing chemical action). Some of the noteworthy scientists whose work are represented in the collection are, by country:
Canada: E.W.R. Steacie, R.J. Cvetanovic, R.W. Back, H.E. Gunning, P. DeMayo
United States: W.A. Noyes, G.S. Hammond, J.A. Calvert, J.N. Pitts Jr.
United Kingdom: W. Norrish, J. Polanyi (Sr.), R.P. Porter, A.F. Trotman-Dickinson