He served as Vice President of the Royal Society of Edinburgh 1931–34.
[1] He was born in West Linton on 30 April 1861 the son of George Clark from Newbigging, South Lanarkshire.
He then obtained a job teaching mathematics at George Heriot's School.
In 1908 he succeeded David Fowler Lowe as headmaster and served in that role until 1926.
[3] In 1891 he was elected a Fellow of the Royal Society of Edinburgh,[4] his proposers including Sir John Murray, George Chrystal, Peter Guthrie Tait and David Fowler Lowe.