sentences:  In 1905 the president Rafael Reyes created the "Banco Central de Colombia" but it was closed in 1910 
  by Reyes opponents.In 1923, after several years of financial crisis, President Pedro Nel Ospina requested an expert committee to study Colombian economic conditions.This committee, led by American economist Edwin Walter Kemmerer (known as "The Money Doctor") was called the "Mission Kemmerer".