John Angus Lyall was an English footballer and manager primarily known for his 34 years at West Ham United. He played for the club as a youth, then as a first-team player before injury cut short his career. He then joined the coaching staff, before becoming the manager of the senior team in 1974. He stayed in that role until 1989. He subsequently went on to manage Ipswich Town from 1990 to 1994. Wikipedia