Owen Harding Wangensteen, the son of a farmer, was born at Lake Park, Minnesota, USA, on 21 September 1885. He always wanted to become a farmer and was fond of relating how he decided to become a doctor instead. When he was a high school junior, he had the opportunity to help fifty of his father's s

Walter Campbell MacKenzie was born in 1909 in Glace Bay, Nova Scotia. He went to school in Sydney and Baddeck and to Dalhousie University. He graduated BSc in 1929, MD, ChM in 1933 and was awarded the Malcolm Honour Society Medal as the outstanding graduate in his year. He was a resident at the Roya