Warren Rohrer: A Philadelphia Pioneer of Linen Abstract Expressionism Warren Rohrer (1927 – 1995) emerged as one of Philadelphia’s most distinctive voices in abstract painting during the latter half of the twentieth century, forging a singular artistic path rooted in both rural Pennsylvania landscapes and a profound rejection of rigid religious dogma. Born in Lancaster County, Pennsylvania, Rohrer's upbringing within the Mennonite community instilled a contemplative spirit that would inform his lifelong fascination with visual form and color—a fascination he channeled into a prolific career…