Twenty-four distinguished behavioral scientists present recent research on the self during the pivotal period of transition from infancy to childhood and place it in historical perspective, citing earlier work of such figures as William James, George Herbert Mead, Sigmund Freud, and Heinz Kohut. Contributors are Elizabeth Bates, Marjorie Beeghly, Barbara Belmont, Leslie Bottomly, Helen K. Buchsbaum, George Butterworth, Vicki Carlson, Dante Cicchetti, James P. Connell, Robert N. Emde, Jerome Kagan, Robert A. LeVine, Andrew N. Meltzoff, Editha Nottelmann, Sandra Pipp, Marian Radke-Yarrow, Catherine E. Snow, L. Alan Sroufe, Gerald Stechler, Sheree L. Toth, Malcolm Watson, and Dennie Palmer Wolf.