He was born in
Glasgow the son of Rev
Henry Calderwood and Anne Hulton Leadbetter. His early childhood was spent in the family home at 197
St. Vincent Street in Central Glasgow. He attended
Merchiston Castle School in
Edinburgh. His first role was as a
Demonstrator in the Zoology Department at
Edinburgh University. He was Director of the Marine Biological Association Laboratory from 1889-1893. From 1898 to 1830 he was Chief Inspector of Salmon Fisheries of Scotland. He was elected a Fellow of the
Royal Society of Edinburgh in 1893. His proposers were Sir William Turner,
James Geikie,
Alexander Crum Brown and
William Rutherford. During the
Second World War he was in charge of Press Censorship in Scotland. In 1943 he was appointed by the Scottish Hydro-Electric Board as their principal advisor on fishery issues. He died at
Carr Bridge in
Inverness-shire on 2 May 1950. ==Publications==