JJR Macleod (1923)
A graduate of Marischal College, University of Aberdeen, Macleod was jointly awarded the Nobel Prize for Physiology or Medicine for 1923.
He shared the honour with Frederick Banting for the research which led to the development of insulin as a treatment for diabetes.
Macleod joined the Rowett Institute in 1928 as a Consultant Physiologist, a post he held together with Regius Professor of Physiology at the University of Aberdeen.