Oxford Dictionary of National Biography
http://www.oxforddnb.com.rp.nla.gov.au/view/article/32243
Royal College of Surgeons
http://livesonline.rcseng.ac.uk/biogs/E004940b.htm
Degree notes
In January 1919, he entered Balliol College, Oxford, with a Rhodes scholarship. There he studied physiology under C. S. Sherrington, and anatomy.