Frederick Reginald Lowry Barnwell (c1909-1984) A.M.Inst.C.E.
Possibly son of F. A. Lowry Barnwell
1939 Resident Engineer (Construction Works), London and North Eastern Railway, Engineers Dept., King's Cross Station, N.1. Private address: 78, Belsize Park Gardens, N.W.3.
1967 Chief Civil Engineer at British Railways: Western Region