Thomas Johnstone McWiggan CBE, CEng, FIEE, FRAeS, SMIEEE, FIET (26 May 1918 – 2 January 2016) joined the Ministry of Civil Aviation in 1946, was involved in the introduction of Ground-Controlled Approach Radar (GCA) into civil aviation and was Director-General of Telecommunications at the Civil Aviation Authority (CAA) from 1970 to 1979.