Thomas Nicol Johnston

He was the son of Wilhelmina Storrie (1836–1903) and Thomas Johnston (1822–1899) of Corstorphine House in western Edinburgh.

He studied medicine as a mature student at the University of Edinburgh beginning in 1897. He graduated with an MB ChB.^[1] From 1902 to 1907 he acted as the zoologist on John Murray and Laurence Pullar's Bathymetrical Survey of the Scottish Fresh-Water Lochs.^[2][3] In 1903 he was elected a Fellow of the Royal Society of Edinburgh. His proposers were Sir John Murray, Laurence Pullar, Alexander Buchan and John Horne.^[3]

He died at Humbie in East Lothian on 6 October 1923 but is buried with his parents in Corstorphine Parish Churchyard in western Edinburgh.^[4]

He was married to Emma McPherson (1876-1953).

In 1917 he appears to have been involved in an antenuptial contract relating to the mental health of his daughter, Margaret Fraser Johnston to Charles Henry Adamson.^[5]