sentences:  Levi chose Argentina because of an invitation by the engineer Cortés Plá, dean of the "Facultad de Ciencias Matemáticas, Físico-Químicas y Naturales Aplicadas a la Industria" at the Universidad Nacional del Litoral (currently "Facultad de Ciencias Exactas, Ingeniería y Agrimensura" at the Universidad Nacional de Rosario) in the city of Rosario.Cortés Plá invited Levi to come to Rosario to head the recently created Instituto de Matemática.It was there that Levi did most of his work from 1939 until his death in 1961.