Notes that Stewart was born in London, Ontario in 1860, that he gained an MA in mathematics from Edinburgh University, following which he entered the medical school there.

Highlight the influence of Rutherford on Stewart, and charts his career as Demonstrator in Physiology at Owen's Coillege, Manchester (1887-1889), George Henry Lewes scholar at Cambridge (1889-1893), his move to Harvard in 1893 and various appointments at Chicago (1903-1907) and finally Western Reserve University (1907-1930).

Notes Stewart's publication of A Manual of Physiology in 1895, his research on the polarization of nerves and the effects of temperature on them, and his collaboration with J.M. Rogoff between 1910 and 1922.