Creators and Advisors of Fiberglass Jaws, by Clark, Chip, 1985, Smithsonian Archives - History Div, A fiberglass reconstruction of the jaws of an extinct 40-foot long shark, bearing one row of real fossil teeth in the front and several rows of plastic replica teeth behind, for National Museum of Natural History exhibit "Fossils: The History of Life." Pictured (in front) is Walter Houck, Exhibits Central Graphics Production Lab; (left to right) Clayton Ray, MNH paleontologist; Walter Sorrell and Mike Freillo, GPL, Ian MacIntyre, Deb Bennet and Robert Purdy, MNH paleontolgists..