John Seaward

John Seaward
Born	January 1786 Lambeth, London, England
Died	March 26, 1858 Camden, London, England
Occupation	Engineer
Spouse(s)	Mary Elizabeth Seaward
Engineering career
Institutions	Institution of Civil Engineers

John Seaward (January 1786 - March 26, 1858) was a British civil engineer and mechanical engineer. His brother was Samuel Seaward, FRS (see below).

Seaward was born the son of a builder in Lambeth, London, in January 1786, and initially worked with his father as a surveyor and architect.

He was later employed by Grillier & Company, the contractors for the erection of Regent's Bridge across the River Thames, to supervise the work. During this period he became acquainted with Jeremy Bentham and James Walker and his uncle, Ralph Walker.

Following this he managed some lead mines in Wales, acquired a knowledge of chemistry, and became friendly with Arthur Woolf, Richard Trevithick, and other mechanical engineers of the period. Upon his return to London he oversaw the construction of Gordon's, Dowson's, and other docks on the River Thames, and became an agent for the Gospel Oak Ironworks in Staffordshire.

Seaward was at the same time connected with the Imperial Continental Gas Association and introduced gas lighting to several towns in France, Belgium, and the Netherlands.

In 1823 Seaward drew plans for a new London Bridge of three arches, each of 230 feet (70 m) span. In 1824 he established the Canal Ironworks at Millwall, London, for the construction of machinery, especially marine engines; in 1825 they constructed the engine for the vessel the Royal George, which was intended for the Dover - Calais service. He joined the Institution of Civil Engineers as a member in 1826, and was a frequent attendant at the meetings.

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