Before revision: Chapters Notable members Warren L. Carpenter Henry H. Krusekopf Helen Niña Tappan Loeblich Hugh Miser Sally Kuhn Sennert William H. Shideler
After revision: Chapters Notable members Warren L. Carpenter Henry H. Krusekopf Helen Niña Tappan Loeblich , micropaleontologist who was a professor of geology at the University of California, Los Angeles Hugh Miser, geologist who had a long and distinguished career with the United States Geological Survey, flight surgeon and physician, soil scientist and academic, volcanologist with the United States Geological Survey, founder and longtime chair of the Department of geology at Miami University. Sally Kuhn Sennert William H. Shideler