American | American Civil War | American Broadcasting Company | American football | African American | American Idol | American Revolutionary War | American Revolution | Society of Jesus | Royal Society | American Association for the Advancement of Science | American Red Cross | National Geographic Society | American Library Association | American Museum of Natural History | American Express | American Academy of Arts and Sciences | American League | American Association | American Heart Association | American comic book | American Institute of Architects | American Airlines | American Hockey League | Spanish-American War | Pan American Games | American Cancer Society | Whitney Museum of American Art | American Ballet Theatre | American Legion |
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.