About Jack Greenwell
John Richard Greenwell (2 January 1884 – 20 November 1942) was an English football manager and player. He is Barcelona's longest serving manager, having coached the club for ten consecutive seasons (initially as player-coach, then as manager), later returning to coach for two more seasons in the 1930s. In 1939, Greenwell became the only non-South American coach to date to win the South American Championship when he guided Peru to their first win. He also served as a manager with CD Castellón, RCD Español, Valencia CF, Sporting de Gijón, Real Sociedad Alfonso XIII, Universitario de Deportes, and Independiente Santa Fe. Following the departure of Jack Alderson, Greenwell became the club's new player-coach. After leaving Barcelona in 1923, Greenwell became the inaugural manager UE Sants, a club based in the Sants district of Barcelona.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.