But What If I Need Groceries Published March 19, 2017 at 2500 × 1875 in Siobhan Hebron’s “The Head and the Heart” at USC Keck ← Previous Next → The Head and the Heart. Siobhan Hebron. Hoyt Gallery. USC Keck School of Medicine. …but what if I need groceries?, 2014, graphite on paper, 22 x 30″. Photo Courtesy of the Artist.