During his five-year stay in Poland, Slewinski achieved true synthetic effects in only a few works, one of the most successful being An Orphan from Poronin of circa 1906. A round-eyed boy stares out at the viewer, but the content of the painting relies more on its formal features--the simplfied shapes, nearly symmetrical composition, and monochromatic brown tonalities--than on facial expression. Wieslaw Juszczak has suggested that the considerable psychological power of this... [Out Looking in: Early Modern Polish Art, 1890-1918 by Jan Cavanaugh, found on Google Books]