From Wikipedia: "Adja Yunkers (1900–1983) was an abstract painter and printmaker who was born in Riga, Latvia, in 1900. He studied art in Leningrad, Berlin, Paris, and London. He lived in Paris for 14 years, and then moved to Stockholm in ...1939. In Stockholm, he published and edited the arts magazines ARS magazine and Creation magazine. In 1947 he moved to the United States, where he lived for the rest of his life. In 1949, he received a Guggenheim Fellowship. During the 1950s he primarily worked in color woodcuts, introducing brushwork into the genre. In 1960, he began producing lithographs. He produced two important series of lithographs at the Tamarind Lithography Workshop in Los Angeles―Salt (five lithographs) and Skies of Venice (ten lithographs). Yunkers died in New York City in 1983."