John Mark Anthony Lenihan was born in Carlisle, England in 1918 . He was educated at Armstrong College, Newcastle-upon-Tyne, England and at the University of Glasgow, Scotland graduating BSc in 1938 ; MSc in 1941, and PhD in 1949 . He worked as a demonstrator at Armstrong College between 1938-1945 and lectured at the University of Glasgow from 1945-1948 . He began work as a physicist at the Western Infirmary, Glasgow in 1948 before leaving in 1953 to become Director of Western Regional Hospital Board's Clinical Physics Department [later Department of Clinical Physics and Bio-engineering ], a post he held until 1983. During his time there, he was a pioneer in the application of neutron activation analysis. Other posts held by Lenihan included the Chair of the Joint Committee for National Certificates in Applied Physics and later the Scottish Technical Education Council . Lenihan was also the science correspondent for the Glasgow Herald . He died in Glasgow in 1993 .
From the guide to the Papers of John Mark Anthony Lenihan, British clinical physicist, 1918-1993, 1929-1993, (NHS Greater Glasgow Archive)
