Zerah Colburn (locomotive designer) to England to take up a job as editor of "The Engineer", Britain’s leading weekly technical journal. In this position, Colburn made friends with members of the Institutions of Civil and Mechanical Engineers and became a member of both. He gave frequent lectures and contributed at meetings. It is almost certain that while in London Colburn met Isambard Kingdom Brunel. In 1860, Colburn returned to America on the maiden voyage of the "Great Eastern", Brunel's leviathan steamship. In America he launched a new weekly engineering newspaper, "The Engineer", but this lasted only a few months and Colburn returned to England
Isambard Kingdom Brunel more than waterlogged sediment and loose gravel. An ingenious tunnelling shield designed by Marc Brunel helped protect workers from cave-ins, but two incidents of severe flooding halted work for long periods, killing several workers and badly injuring the younger Brunel. The latter incident, in 1828, killed the two most senior miners, and Brunel himself narrowly escaped death. He was seriously injured, and spent six months recuperating. The event stopped work on the tunnel for several years. Though the Thames Tunnel was eventually completed during Marc Brunel's lifetime, his son had no further involvement with the tunnel proper, only using the