Xul Solar was born as Oscar Agustín Alejandro Schulz Solari in 1887 and died in 1963. He was born in San Fernando Buenos Aires. He was educated as musician and architect. During the first world war he started painting and changed his name in Xul Solar (which means “the intensity of the sun”). He became one of the most important representatives of the avant-garde  in Latin America. He lived in Europe from 1912 to 1924, in both Italy and Germany.

He was friends with Jorge Luis Borges and illustrated several of his books and collaborated in several of his  editorial enterprises such as la Revista Multicolor de los Sabados y Destiempo.

He studied Astrology, Kabbalah, I Ching, Philosophy, religions and beliefs of the Ancient East, of india and the Pre-Colombian world, theosophy and anthroposophy.

He proposed the modification of the musical notation and the piano keyboard.

You can see his work in the museum Xul Solar (in Laprida 1212), and in Malba.