sentences:  Belmont joined the Metropolitan Opera's board of directors in 1933, founded the Metropolitan Opera Guild in 1935 and the National Council of the Metropolitan Opera in 1952.These organisations helped shape the multi-source public-private funding model used by US performing arts organisations in the ensuing decades
  
  Upon her marriage to August Belmont Jr. on 26 February 1910, Eleanor retired from the stage.August and Eleanor were married for over fourteen years until his death on 10 December 1924.