A.Y. Jackson, an employee of Sampson-Matthews, instigated the wartime silkscreen art program and was its biggest contributor, providing 12 works throughout the run of the program. In many of these works, the presence of man is evident but shown in small scale compared to the dominance of nature. “Jack Pine” (1950) presents a vast view of the pristine northern Canadian wilderness. In the distance a solitary canoe travels with the current while in the foreground a dense thicket of flora looms high above the water.