Julio Cortázar was born in Brussels, Belgium in 1914 of Argentine parents, but he grew up in Buenos Aries, Argentina . He was a writer, poet, and translator who authored over 25 novels and short story collections. Some of his best known works include: Rayuela, 62 modelo para armar, and Historias de cronopios y de famas. In 1951 he moved to Paris due to his opposition to the Perón regime in Argentina. He lived in Paris until his death in 1984.
Julio Silva was an artist, book designer, and a close friend of Julio Cortázar. He collaborated with him on two "collage" books: La vuelta al día en ochenta mundos and Último round .
From the guide to the Julio Cortázar papers, 1966-1980., (Houghton Library, Harvard College Library, Harvard University)