was a Texan Impressionist painter, often called "the father of Texas painting." He attended West Texas Military Academy and was graduated in 1900. Julian Onderdonk was born in San Antonio, TX to Robert Jenkins Onderdonk (a painter) and Emily Gould Onderdonk. He was raised in South Texas and was an enthusiastic sketcher and painter. At 19, with the help of a generous neighbor, Julian left Texas in order to study with the renowned American Impressionist William Merritt Chase. Julian's father, Robert, has also once studied with Chase. Julian spent the summer of 1901 on Long Island at Chase's Shinnecock School of Art. He studied with Chases for a couple of years and then moved to New York to attempt to make a living as an eu plain aire artist. While in New York he met and married Gertrude Shipman and they soon had a son.