Seeman accomplished this by using a dark room with the light tightly controlled so that the only light fell precisely where Seeman wanted it, and he used a velour background (dark and absorbs stray light).
Seeman accomplished this by. Seeman was using a dark room with the light tightly controlled. The only light fell. Seeman wanted it. He used a velour background (dark). He used a velour background (absorbs stray light).