Hazelgrove, Allan Ronald Derrett

Allan Ronald Hazelgrove, a Chemical Engineer and librarian at Du Pont, amateur photographer and a bibliographer in Kingston, Ontario, was born 5 May 1912. He obtained his B.Sc. in Chemical Engineering at Queen's University in 1939. He worked for Defence Industries Ltd. in Nobel, Ontario from 1940 to 1944 as a Laboratory Supervisor and development team member developing military explosives. He was transferred to C.I.L's Central Research Laboratory in McMasterville, Quebec in 1944, where he remained until the division of the company into C.I.L. and Du Pont of Canada. In 1954, he was selected to assist in the detail design of the Du Pont's Kingston Research Centre, where he then became Services Group Leader. By 1962, he would devote the majority of his time to the operations of the Research Centre Library.

Hazelgrove also concerned himself with elements of Kingston area history, writing: "(i)n 1960 it occurred to me that a great number of irreplaceable stone buildings were being wrecked or burned or allowed to go to ruin. I decided that there should be a record in the form of at least one picture of each building, whether it had any great architectural significance or not." Hazelgrove also served as a member of