Stanley Mason was born in 1914. He was educated at McGill University, where he earned his B.Chem.Eng. in 1936 and his PhD. in 1939. From 1939 to 1941 Dr. Mason gave lectures in Chemistry at Trinity College, Hartford, Connecticut. From 1941 to 1945 he worked as a Research Engineer at Suffield Experimental Station in Ralston, Alberta. During 1945 and 1946 he was a scientist at the Atomic Energy Division at the National Research Council. In 1946 he became Director of the Applied Chemical Division at the Pulp and Paper Institute of Canada and Head of Physical Chemistry Research. That year he was also appointed Research Associate of the Chemistry Department at McGill University. Between 1966 and 1979 Dr. Mason was Professor of Chemistry at McGill, and from 1979 to 1985 an Otto Maass Professor of Chemistry. In 1985 he was appointed Professor Emeritus of Chemistry. He was an active member of various professional associations, and a recipient of several awards such as Chemical Institute of Canada Medal in 1973 and Prix Marie-Victorin in 1986. He was elected a Fellow of the Franklin Institute in 1980 and a Fellow of the Technical Association Pulp and Paper Industry. Dr. Mason had written over 270 scientific and technical papers based on his research.