Sir John Fowler, British civil and mechanical engineer, 1868.
© Science Museum / Science & Society Picture Library
Engraving by T Oldham Barlow after J E Millais. Fowler (1817-1898) was mainly responsible for the Metropolitan Railway and was one of the engineers for the first London tube railways. His best known achievement - in collaboration with Benjamin Baker - was the construction in 1882-1890 of the cantilever railway bridge over the Firth of Forth.