Which London Bridge designed by John Rennie was opened in 1817?
John Rennie the Younger John Rennie the Younger Sir John Rennie (30 August 1794 – 3 September 1874) was the second son of engineer John Rennie the Elder, and brother of George Rennie. John Rennie was born at 27 Stamford Street, Blackfriars Road, London, on 30 August 1794. He was educated by Dr. Greenlaw at Isleworth, and afterwards by Dr. Charles Burney at Greenwich. He subsequently entered his father's manufactory in Holland Street, Blackfriars Road, where he acquired a practical knowledge of his profession, and in 1813 he was placed under Mr. Hollingsworth, resident engineer of Waterloo Bridge, the foundations of which he personally
John Rennie the Younger in 1825. The most important of John Rennie's undertakings, from 1824, was the construction of London Bridge, the designs for which had been prepared by his father. The bridge was opened in 1831, when Rennie was knighted, being the first of the profession since Sir Hugh Myddleton to be thus distinguished. He was responsible for the New River Ancholme Drainage Scheme in Lincolnshire, and Horkstow Bridge, which he designed to cross the river at Horkstow in 1835–6, is one of the earliest suspension bridges to survive and remains substantially as designed. As engineer to the admiralty, a post in which