American | American Civil War | American Broadcasting Company | American football | African American | American Idol | American Revolutionary War | Massachusetts Institute of Technology | American Revolution | Russian Academy of Sciences | American Association for the Advancement of Science | American Red Cross | California Institute of Technology | American Library Association | American Museum of Natural History | American Express | Art Institute of Chicago | National Academy of Sciences | American Academy of Arts and Sciences | American League | American Association | Institute for Advanced Study | American Heart Association | American comic book | American Institute of Architects | American Airlines | American Hockey League | Spanish-American War | Pan American Games | American Cancer Society |
He is also a member of the American Association for the Advancement of Science, American Institute for Biological Sciences, American Society of Naturalists, East African Wildlife Society, Ecological Society of America, the Western Indian Ocean Marine Science Association, and the International Science for Reef Studies.