1948; civil servant, railway policy manager, railway planning manager, railway industry body director Alec McTavish 1948
1951; railway employee, railway manager, station master, railway manager, personal assistant, railway planning manager, railway policy manager, railway consultant, civil servant, railway regulatory body employee Michael Woods 1951
1954; railway employee, railway manager, railway operational managers, railway policy manager, railway regulatory body director Michael Beswick 1954