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Thomas Edward Hett Heywood (1877-1953) was a British engineer. During his career, he worked for the Taff Vale Railway, the Burma Railway Company, the Great North of Scotland Railway and the London and North Eastern Railway (LNER).
1877 Born at Cardiff the son of Thomas Heywood, a Ship Broker Agent, and his wife Mary
In 1902, he became Assistant Locomotive, Carriage and Wagon Superintendent of the Burma Railway
After returning from Burma he again worked for the Taff Vale Railway as Junior Assistant Superintendent at Penarth Dock.
In 1914, he became Locomotive Superintendent of the Great North of Scotland Railway.
After the 1923 Grouping, Heywood's post ceased to exist but he became Running Superintendent of the Northern Scottish Area of the LNER.
Heywood expanded the use of superheating on the GNSR, and created a new class of superheated 4-4-0 locomotives which became the LNER Class D40.
He retired in June 1942 and died at Aberdeen in November 1953