A.J. Casson (Canadian, 1898–1992) Jack Pine and Poplar, 1948 While Group of Seven artist A. J. Casson distinguished himself within the group by choosing small towns and rural settings as subjects for his paintings, he also produced exquisite landscapes that perfectly capture varying sunlight passing over a scene. Jack Pine and Poplar reproduced for this 1,000-piece puzzle is a fine example of Casson’s work.