Biology (Raven), 9th Edition

About the Authors

Kenneth Mason is a Lecturer at the University of Iowa where he teaches introductory biology. He was formerly at Purdue University where for 6 years he was responsible for the largest introductory biology course on campus, and collaborated with chemistry and physics faculty on an innovative new course supported by the NSF combining biology, chemistry, and physics. Prior to Purdue, he was on the faculty at the University of Kansas for 11 years, where he did research on the genetics of pigmentation in amphibians, publishing both original work and reviews on the topic. While at KU he taught a variety of courses, was involved in curricular issues and wrote the lab manual for an upper division genetics laboratory course. His latest move to the University of Iowa was precipitated by his wife, who became president of the University of Iowa.

Jonathan Losos is the Monique and Philip Lehner Professor for the Study of Latin America in the Department of Organismic and Evolutionary Biology and Curator of Herpetology at the Museum of Comparative Zoology at Harvard University. Losos’s research has focused on studying patterns of adaptive radiation and evolutionary diversification in lizards. The recipient of several awards, including the prestigious Theodosius Dobzhanksy and David Starr Jordan Prizes, and the Edward Osborne-Wilson Naturalist Award. Losos has published more than 100 scientific articles.

Susan Singer is the Laurence McKinley Gould Professor of the Natural Sciences in the department of biology at Carleton College in Northfield, Minnesota, where she has taught introductory biology, plant biology, genetics, plant development, and developmental genetics for 23 years. Her research interests are focused on the development and evolution of flowering plants. Singer has authored numerous scientific publications on plant development, contributed chapters to developmental biology texts, and is actively involved with the education efforts of several professional societies. She received the American Society of Plant Biology’s Excellence in Teaching Award, serves on the National Academies Board on Science Education, and chaired the National Research Council study committee that produced America’s Lab Report.

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