Science Source and its parent company Photo Researchers, Inc. have been specializing in imagery from all fields of the natural, physical and life sciences for over 50 years. We serve a broad range of clients in book, magazine and electronic publishing as well as in advertising, corporate communications and multimedia. Some of our top clients include Commonhealth, Cline Davis Mann, Sudler Hennessey, Pearson Education, Scholastic Inc., Houghton Mifflin Harcourt, The McGraw-Hill Companies, National Geographic and Time Warner Inc. Science Source is a division of Photo Researchers, Inc.