Complex sentence: Leist studied at the Sydney Art School studying under Julian Ashton and beginning work in 1908 as a black-and-white artist for "The Bulletin" and "Sydney Mail" newspapers, eventually moving onto the "Graphic" magazine in London.
Split into simpler sentences: Leist studied at the Sydney Art School studying under Julian Ashton. In 1908, he began working as a black-and-white artist for "The Bulletin" and "Sydney Mail" newspapers, and eventually moving onto the "Graphic" magazine in London.