Neil McArthur's father was Daniel McArthur, a schoolmaster at Dunmore, then later at St Catherine's, Argyll. Neil attended Whitehill School, Glasgow, then from 1900 he studied at the University of Glasgow where he was awarded an M.A. in 1905 followed by a B.Sc. In 1906 McArthur was appointed as an Assistant in Mathematics at the University of Glasgow being promoted to Lecturer in 1908.
During World War I McArthur served with the Argyll & Sutherland Highlanders in France, then with the Sound Ranging Section of the Royal Engineers. Following this he returned to his post in Glasgow where he was promoted to Senior Lecturer in 1920.
He was elected a Fellow of the Royal Society of Edinburgh on 7 March 1921 having been proposed by George Alexander Gibson, Andrew Gray, James Gordon Gray, and Robert Alexander Houstoun.
Article by: J J O'Connor and E F Robertson