During the first half of the 20th century, William Halcrow (later Sir William) established the firm in other areas, notably tunnelling and hydroelectric schemes.
When work began on London Underground's Victoria Line in the early 1960s, responsibility for the tunnelling works was split between Mott, Hay and Anderson and Sir William Halcrow and Partners, each acting as Engineer for approximately half the length of the line.
William Shakespeare | William Laud | William Blake | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | William Penn | William Jennings Bryan | William Gibson | William Wilberforce | William James | William Makepeace Thackeray | Fort William | William Hanna | William Hague | William III | William Hurt | William Walton |