American painter and printmaker born in Riga, Russia (present day Latvia). Yunkers Studied art in Petrograd (now St. Petersburg) before moving to Germany in 1919. He was active in artistic movements such as Sturmgruppe as he exhibited alongside Nolde, Schmidt and Rottluff, and in a Russian avant-garde exhibition with Kandinsky, Archipenko and Chagall. Yunkers traveled extensively across Spain, Canary Islands, Cuba, etc.; in Cuba, he participated in the Leftist activities before fleeing the political upheaval for Mexico, where met Diego Rivera and returned to Europe. He escaped Nazi Germany for Paris then Sweden. Collaborated in various art publications (ARS magazine and Creation magazine) before moving to New York. He founded Rio Grande Workshop in Albuquerque, New Mexico. He is known for color woodcuts and introduced brushwork into the genre. He produced two important series of lithographs at the Tamarind Lithography Workshop in Los Angeles: Salt (five lithographs) and Skies of Venice (ten lithographs). Collected works found in Bibliotheque Nationale, Paris; Brooklyn Musem, New York; Corcoran Gallery, Washington DC; Hamburg Kunsthalle, Germany; Rijksmuseum, Amsterdam; etc.