Materials relating to the life and career of Jerzy Pindera, with a specific focus on his time in World War II and as a prisoner of war in Sachsenhausen concentration camp during the Holocaust. Includes correspondence, articles, war records and short stories, as well as tapes of interviews conducted with Pindera.

Material relating to the career of H.N.B. Hynes, from his work as a student at the University of London in the late 1930s through his time as a professor of biology at the University of Waterloo until his retirement in the 1980s. Includes material relating to his work on stoneflies in the British Isles, his work for the British government in Trinidad and East Africa, his time at the University of Liverpool including work on river pollution, and his career at the University of Waterloo, including his sabbaticals in Australia.

Fonds includes notebooks containing field notes, ms. and ts. notes, publications authored by Hynes and by others, reports, correspondence, maps, and photographs.