John W. T. Walsh, M.A. (Oxon.), D.Sc.(London), M.I.E.E., Illumination engineer
1892 Born in London
Educated at Hampton Grammar School.
Merton College, Oxford.
1912 Gained B.Sc
Joined the National Physical Laboratory
1916 With Clifford Copland Paterson, developed the Paterson–Walsh electric height finder.
1917 Gained M.Sc
1918 Associate Member IEE; member of Council
Became Principal Scientific Officer, National Physical Laboratory (Elect. Dept.).
1927 Gained D.Sc at University of London
1929 Member of IEE
1939 Lately Hon. Sec., International Commission on Illumination, now Member of Executive; Past-Pres., Illuminating Engineering Society.
1951 Presented the Trotter-Paterson Memorial lecture on the "The Early Years of Illuminating Engineering in Great Britain"