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
Marc Isambard Brunel later. Another problem that hindered Brunel was that William Smith, the chairman of the company, thought that the tunnelling shield was an unnecessary luxury, and that the tunnel could be made more cheaply by traditional methods. He wanted Brunel replaced as Chief Engineer and constantly tried to undermine his position. Fortunately the shield quickly proved its worth. During the tunnelling both Brunel and his assistant engineer suffered ill health and for a while Isambard had to bear the whole burden of the work. There were several instances of flooding at the tunnel face due to its nearness to the bed