This essay was written in 1996-97 and not edited. The plan was to include: Gilman, Schmalenbach, Hatfield, May, Vatter, Kohler, Deinzer, Solomons, Spacek, Ijiri, Sterling, and Arrington, but included are John Canning, Maurice Moonitz, C. West Churchman, Richard Mattessich, Raymond Chambers, D. R. Scott, Brother LaSalle, Leonard Spacek, Tony Tinker, and the new left.