Robert D. Johnston is Associate Professor and Director of the Teaching of History Program. He teaches courses in modern U.S. history and general historiography as well on the teaching of history. His The Radical Middle Class: Populist Democracy and the Question of Capitalism in Progressive Era Portland, Oregon (Princeton University Press, 2003) received the President’s Book Award from the Social Science History Association. He has edited or co-edited volumes on the history of twentieth-century alternative medicine, rural politics, and the middle class. He is author of The Making of America: The History of the United States from 1492 to the Present (National Geographic Society, 2002), a middle-school textbook that received a School Library Journal Best Book of the Year award. He is currently working on a history of vaccine controversies in American history, to be published by Oxford University Press. He has presented lectures and led seminars in Israel, Turkey, Norway, Vietnam, Hong Kong, China, and England. He is currently academic director of the Homewood-Flossmoor American History Consortium Teaching American History grant. He lives with his wife Anne and sons Sandy and Isaac in Chicago’s West Rogers Park neighborhood, where he roots for the Cubs.