research laboratory; vehicle tests; dynamic instability; Advanced Passenger Train; reorganisation, business-led; education, PhD, non-linear vibration theory; recruitment to BR; Engineering Research Division Laboratory; dynamics; vehicle stability; experimental test track; Field Trials Department; track recording trolley; relationship of speed to derailment; Tony Hobbs; Alan Rimmer; development of theories on vehicle stability, dynamic instability; high speed freight vehicle (HSFV); staff relations; Stan Smith; measuring track irregularities; callouts, derailments, conditions (hours); causes of incidents; development of Advanced Passenger Train (APT); David Boocock; reaction of trade unions to APT; freight liners; pantograph; civil engineering research, mechanised track work; safety; liaison with business; sponsorship of research work; restructuring of research division, George Buckley, Malcolm Savage; strategic research programme, BRB; Automatic Train Protection (ATP); retirement; history of BR Research Department; research staffing levels; d.o.b. 1934-07-08; railway work 1964-1993. Derby; Etwall; Network Southeast.