Three, 26 cm by 33 cm, photo albums containing photographs, clippings and personal communications about the lives of the family of Marcel Pochon over the period from 1913 to 1969. Pochon, a nuclear chemist who worked originally with Marie Curie, was the leader in the radium-extraction work at Port Hope, Ontario. He led the effort there from 1932 to 1945 when Eldorado Gold Mining, which operated the refinery, became a Crown Corporation. The albums contain many details both about the family life of Pochon as well as his professional life and the many honours he received.