He was born in
Edinburgh on 31 March 1902 the son of Robina Currie (née Cockburn, 1870-1949) and Hugh Bryan Nisbet (1870-1954), a clerk. The family lived at 3 Maurice Place, off Blackford Avenue, in south
Edinburgh. He attended
George Heriot's School then studied science at the
University of Edinburgh graduating with a BSc, and continuing as a postgraduate to gain his first doctorate (PhD). In 1921 he began as a Demonstrator in Chemistry at Heriot-Watt College. He was elected a Fellow of the
Royal Institute of Chemistry in 1926. He was elected a Fellow of the
Royal Society of Edinburgh in 1940. His proposers were
Thomas Slater Price,
James Cameron Smail,
James Pickering Kendall,
William Ogilvy Kermack and
James Sandilands. He served as Vice President to the Society 1955 to 1958. In 1950 he became Principal of Heriot Watt College and when it received university status in 1966 he became its first Principal and Vice Chancellor. He was made a Commander of the Order of the British Empire (CBE) in the New Years Honours list of 1963. He died at home in Edinburgh on 21 November 1969. He is buried with his parents in
Morningside Cemetery, Edinburgh. The grave is toppled and lies in the south-west section. A memorial service was held in his memory in
Greyfriars Kirk. ==Family==