Complex sentence: In Manhattan, Bassford studied at the School of Industrial Art (which later became the High School of Art and Design), and he entered the commercial art field in the early 1950s with magazine gag cartoons and packaging art for toy boxes.
Split into simpler sentences: In Manhattan, Bassford studied at the School of Industrial Art (which later became the High School of Art and Design). Bassford entered the commercial art field in the early 1950s with magazine gag cartoons and packaging art for toy boxes.