Dirty Harry "Rawhide", was responsible for creating Callahan's distinctive old-fashioned brown and yellow checked jacket to emphasize his strong values in pursuing crime. Filming for "Dirty Harry" began in April 1971 and involved some risky stunts, with much footage shot at night and filming the city of San Francisco aerially, a technique for which the film series is renowned. Eastwood performed the stunt in which he jumps onto the roof of the hijacked school bus from a bridge, without a stunt double. His face is clearly visible throughout the shot. Eastwood also directed the suicide-jumper scene. The line, "My, that's a big
James Callaghan a Civil Service exam which enabled him to become a senior tax inspector, and that same year he became the Kent branch secretary of the AOT. The following year he was elected to the AOT's national executive council. In 1934, he was transferred to Inland Revenue offices in London. Following a merger of unions in 1936, Callaghan was appointed a full-time union official and to the post of Assistant Secretary of the Inland Revenue Staff Federation (IRSF), and resigned from his Civil Service duties. During his time working as a tax inspector in the early-1930s, Callaghan met his future wife