Does anyone know who is circulating a photography exhibit titled "On the Nature of Things", based on a book of scientific photography with approximately the same name. We received some literature and passed it around and it disappeared. (This never happens at your institutions, right?) Sheldon Schafer Deputy Director & Science/Planetarium Director Lakeview Museum of Arts & Sciences Peoria, Illinois (309) 686-7000 E-Mail [log in to unmask]