London Passenger Transport Board; Royal Engineers, Second World War; BTC; management, Assistant GM and General Manager SR; electrification; modernisation; dieselisation; political relationships; Beeching closures; BRHQ; incidents; BRB; Childhood; First World War, Buckingham Palace; father, Rt. Hon. Reginald McKenna MP, Chairman of Midland Bank; school, Eton College; university, Trinity College, Cambridge; influence of father on career choice, LPTB; John Cliff, T&GWU; starting work; London Transport Act; training; road transport scheme; Lord Ashfield; Deputy Chairman Pick; d.o.b. 1911-02-16, railway work 1934-1976, London; Hastings; Lewisham. 3.1496 x 2.8346 x .315 in.