Oswald Stevens Nock, B. Sc., DIC, C. Eng, M.I.C.E., M.I.Mech.E., M.I.Loco.E.,, nicknamed Ossie, was a British railway signal engineer and senior manager at the Westinghouse company; he is well known for his prodigious output of popularist publications on railway subjects, including over 100 books, as well as many more technical works on locomotive performance.
