Julio Castellanos studied under Saturnino Herrn and Leandro Izaguirre in 1918, and had his first single exhibition in Buenos Aires in 1925.
Castellanos matriculated the Escuela Nacional de Bellas Artes in 1918, where he studied under Saturnino Herran and Leandro Izaguirre, together with Agustin Lazo, Rufino Tamayo and Leopoldo Mendez. In 1925 he had his first single exhibition in Buenos Aires, and moved to Paris to deal with European art. 
