Arthur Joseph Victor UNDERWOOD

Birth Date: 20 Feb 1897, Leeds
Death Date: 14 Mar 1972, London
Father: Moses Unanski (b. 1861, Ekaterinoslav, Russia, d. 11 may 1936, London)
Mother: Rebecca Kopp (b. 1870, Ukraine, d. 04 May 1950, London) 

1897: Was naturalised British with his father Moses
1924: Together with his brother (Rudolph Jacob) and sister (Lucy), he changed surname to from Umanski to Underwood.

xx-1916?: Univ. or Leeds. Mathematics and civil engineering
1916-19: Chemist for the ministry of munitions
Afetr 1919: Master degreee at Univ. of Leeds
East Africa (Kenya) 1922: Mechanical engineer, Magadi Soda Co. Area: P.O. Kajiado. 
1925: Proposed the formation of "Council for Industrial development"
Late 1920s: teaching part-time at London Hackney Institute 
1932-34: Honorary Lecturer in the Department of Chemical Engineering at UCL 
       https://www.ucl.ac.uk/chemical-engineering/about/history-0
1939: England and Wales Register: Living (with surname Underwood) with sister Lucy b. 28 Jan 1905 in Willesden, as consulting chemical engineer
1937-1944: Honorary sectreary for IChemE
War Service: RAF
Later: Chemical Engineering consultant to the Ministry of Defence (Army)
1945 (in a paper): By A.J.V. Underwood, D.Sc., M.I.Chem.E, A.M.I Mech.E., F.R.I.C, F.Inst.F., F. Inst.Pet.
1948: Says that he is a "Consulting chemical engineer, London".
1960s?: Chair of the EFCE Working Party on Distillation
1965: OBE

The archives after Underwood seem to be available at the University of Southampton, 
https://cdn.southampton.ac.uk/assets/imported/transforms/content-block/UsefulDownloads_Download/2FCE02473B564BB7A341A8C8806DEAF8/MS338.pdf
However, it seems to be a mixed bag of many things (not only his own work) which would take time to go through.