High Quality Content by WIKIPEDIA articles! William Henry Barlow FRS FRSE FICE MIMechE (10 May 1812 –12 November 1902) was an English civil engineer of the 19th century, particularly associated with railway engineering projects. In his long life Barlow was involved in many engineering enterprises. He was engineer for the Midland Railway on its London extension and designed the company`s London terminus at St Pancras.