Lynton Keith Caldwell (November 21, 1913 – August 15, 2006) was an American political scientist and a principal architect of the 1969 National Environmental Policy Act, the first act of its kind in the world. He was educated at the University of Chicago and spent most of his career at Indiana University Bloomington, where he received tenure in 1956 and retired as Arthur F. Bentley Professor Emeritus of Political Science in 1984. Caldwell was the internationally acclaimed author or coauthor of fifteen books and more than 250 scholarly articles, which may be found in at least 19 different languages. He served on many boards and advisory committees, as a consultant on environmental policy issues worldwide, and received numerous honors and awards. Early life and education Caldwell was born in Montezuma, Iowa to Lee Lynton and Alberta (Mace) Caldwell, and died in Bloomington, Indiana, at age 92. He earned his undergraduate degree in English at the University of Chicago in 1934, his Master's degree at Harvard in History and Government in 1938, and his doctoral degree in political science at the University of Chicago in 1943. He married Helen A. Walcher on December 21, 1940 and they raised two children. Academic career and public service From 1944-1947 he was director of research and publications for The Council of State Governments in Chicago. In 1947 he was appointed professor of political science at the Maxwell School of Citizenship and Public Affairs at Syracuse University. In 1952 and 1953 he was part of U.N. sponsored missions in public administration in Colombia, the Philippines, and Japan. His next one-year U.N. appointment was as co-Director of the Public Administration Institute for Turkey and the Middle East in Ankara, Turkey. Indiana University then appointed him director of the Institute of Training for Public Service and Coordinator of Indonesian and Thailand Public Administration Programs. By the time of his retirement, further appointments, research and lecture tours and vacations had enabled him to visit nearly one hundred countries around the world as well as every state in the union. In 1956, after a year as visiting professor of government at the University of California, Berkeley, he returned to Bloomington as Professor of Government at Indiana University, where he remained until his retirement. In the course of his career he secured 21 National Science Foundation grants to support his research. During his career, Caldwell served on the faculties of