Isambard Kingdom Brunel a white elephant, but it has been argued by David P. Billington that in this case Brunel's failure was principally one of economics—his ships were simply years ahead of their time. His vision and engineering innovations made the building of large-scale, propeller-driven, all-metal steamships a practical reality, but the prevailing economic and industrial conditions meant that it would be several decades before transoceanic steamship travel emerged as a viable industry. "Great Eastern" was built at John Scott Russell's Napier Yard in London, and after two trial trips in 1859, set forth on her maiden voyage from Southampton to New York
Marc Isambard Brunel again accepted major commissions, although he did help his son, Isambard, on various projects. He was proud of his son's achievements, and was present at the launch of the "SS Great Britain" in Bristol on 19 July 1843. In 1845 Brunel suffered another, more severe stroke and was almost totally paralysed on his right side. On 12 December 1849, Brunel died at the age of 80, and his remains were interred in Kensal Green Cemetery in London. His wife, Sophia, was subsequently interred in the same plot, followed by their son, Isambard, just 10 years later. Marc Isambard Brunel Sir