American Chemical Society. Meeting 104 Geological Society of America 68 Darwin, Charles, 1809-1882 65 Schmidt, Karl Patterson, 1890-1957 58 New England Intercollegiate Geological Conference. Meeting 52 Royal Society of Chemistry (Great Britain) 52 New York Academy of Sciences 45 Packer, Lester 42 National Science Foundation (U.S.) 37 Society for General Microbiology. Symposium 36 American Association for the Advancement of Science 35 Ciba Foundation 34 Mathematical Association of America 34 Unesco 34 Geological Survey (U.S.) 32 Society for Experimental Biology (Great Britain) 32 Osgood, Wilfred Hudson, 1875-1947 31 American Chemical Society. Division of Inorganic Chemistry 30 Mineralogical Society of America 30 Smithsonian Institution 30 American Association of Physics Teachers 29 Society for General Microbiology 29 Wolstenholme, G. E. W. 29 Elliot, Daniel Giraud, 1835-1915 28 United States. National Aeronautics and Space Administration 26 American Institute of Physics 25 National Council of Teachers of Mathematics 25 Thomson, J. Arthur 1861-1933 25 American Mathematical Society 24 Wilson, Edward O. 23 British Broadcasting Corporation 22 Gamow, George, 1904-1968 22 Halliday, David, 1916-2010 22 Meek, Seth E. 1859-1914 22 Patai, Saul 22 American Philosophical Society 21 Feynman, Richard P. 1918-1988 21 Fraenkel-Conrat, Heinz, 1910-1999 21 Gray, Asa, 1810-1888 21 Smith, David Eugene, 1860-1944 21 Cohen, I. Bernard, 1914-2003 20 Einstein, Albert, 1879-1955 20 Felt, Ephraim Porter, 1868-1943 20 Fleischer, Sidney 20 Huxley, Julian, 1887-1975 20 Maryland Geological Survey 20 Burroughs, John, 1837-1921 19 Morgan, Thomas Hunt, 1866-1945 19 Resnick, Robert, 1923-2014 19 Cold Spring Harbor Laboratory 18 National Academy of Sciences (U.S.) 18 National Audubon Society 18 Ostwald, Wilhelm, 1853-1932 18 Sanborn, Colin Campbell, 1897-1962 18 Strasburger, Eduard, 1844-1912 18 American Chemical Society 17 Atkins, P. W. 1940- 17 Farrington, Oliver C. 1864-1933 17 Geological Survey of Canada 17 Gould, Stephen Jay 17 Kukarkin, B. V. 17 Matthews, Mildred Shapley 17 North Atlantic Treaty Organization. Scientific Affairs Division 17 Ruedemann, Rudolf, 1864-1956 17 Ruse, Michael 17 United Nations Environment Programme 17 Wagner, Robert R., 1923- 17 Académie des sciences (France) 16 American Chemical Society. Division of Analytical Chemistry 16 Davies, P. C. W. 16 Decade of North American Geology Project 16 Fabre, Jean-Henri, 1823-1915 16 Gazzaniga, Michael S. 16 Glasstone, Samuel, 1897-1986 16 Halmos, Paul R. 1916-2006 16 Jeans, James, 1877-1946 16 Jordan, David Starr, 1851-1931 16 Landau, L. D. 1908-1968 16 Lifshit͡s, E. M. 16 Millspaugh, Charles Frederick, 1854-1923 16 Moore, Patrick 16 National Wildlife Federation 16 O'Connor, Maeve 16 Patterson, Bryan, 1909-1979 16 Roy, Sharat Kumar, 1897-1962 16 Standley, Paul Carpenter, 1884-1963 16 Agassiz, Louis, 1807-1873 15 American Chemical Society. Division of Agricultural and Food Chemistry 15 Attenborough, David, 1926- 15 Chapman, Frank M. 1864-1945 15 Ehrenberg, Christian Gottfried, 1795-1876 15 Gardner, Martin, 1914-2010 15 Haas, Fritz, 1886-1969 15 Hardy, G. H. 1877-1947 15 Krantz, Steven G. 1951- 15 Margulis, Lynn, 1938-2011 15 Mayr, Ernst, 1904-2005 15 Pólya, George, 1887-1985 15 Royal Society (Great Britain) 15 Sears, Francis Weston, 1898-1975 15