Frederick Hawksworth

Frederick William Hawksworth (1884–1976) was a British locomotive engineer who served as the last Chief Mechanical Engineer of the Great Western Railway from July 1941 until nationalisation in January 1948, inheriting the Swindon engineering tradition from a line of succession that stretched back unbroken to Daniel Gooch's appointment in 1837 — the longest continuous engineering lineage of any British railway.

Born at Swindon on 10 February 1884, the son of a GWR pattern maker, Hawksworth spent his entire career at Swindon Works, apprenticed there in 1899, rising through the drawing office under Dean and Churchward, serving as Chief Draughtsman from 1925 — during which time he prepared the working drawings of Collett's Castle and King classes — and becoming Principal Assistant to Collett in 1932. He succeeded Collett as CME in July 1941.

Hawksworth's tenure was constrained by wartime materials shortages and the GWR's gradually deteriorating financial position, but he made several notable contributions to the Swindon tradition. The County class 4-6-0 of 1945, built with a higher boiler pressure than any previous GWR class and two cylinders rather than the traditional GWR four, was a capable mixed-traffic engine that broke somewhat with Swindon orthodoxy. He also produced the 1500 class 0-6-0PT pannier tank — the GWR's only outside-cylinder pannier — and the 15XX heavy yard shunter, and introduced the Modified Hall and Modified Manor rebuilds that updated Collett's mixed-traffic designs for improved performance.

At nationalisation Hawksworth ensured a smooth transition of GWR engineering practice into the new BR organisation, working closely with R.A. Riddles on the BR Standard locomotive programme's early stages before retiring at the end of 1947. He lived in retirement at Swindon until his death on 13 July 1976 — at 92, the longest-lived of the great GWR CMEs, outlasting the steam era he had served by nearly two decades.