Arthur Ignatius Keller (1866 - 1924). The Artist A. I. Keller was born July 4th, 1866. He was the son of Matilda and Adam Keller, a designer and engraver who recognized and encouraged his son's artistic talent. Arthur's father was his first teacher. By the age of seventeen, he began his formal training at the National Academy of Design in New York, studying under Professor Lemuel Wilmarth. In 1890 Keller traveled to Munich, Germany to study under Ludwig von Loeffiz. After two years of study he returned to the United States. His father had tried to persuade Arthur to remain in Europe to study...