1954 Purdue University 1955 University of Michigan 1956 Rensselaer Polytechnic Institute 1957 Michigan State University 1958 Purdue University 1959 Yale University 1960 Wayne State University 1961 Columbia University 1962 Northwestern University 1963 Lehigh University 1964 Michigan State University 1965 Emory University 1966 Wayne State University 1967 Yale University 1968 Ohio Wesleyan University 1969 University of California, Santa Barbara 1970 University of Pennsylvania 1971 Kansas State University 1972 Amherst College 1973 Emory University 1974 Miami University 1975 California Institute of Technology 1976 Union College 1977 Wabash College 1978 University of Georgia 1979 California State Polytechnic Institute 1980 Worcester Polytechnic Institute 1981 University of Michigan 1983 Amherst College 1984 Morehouse College 1985 IMC/ACDA, Salt Lake City 1986 Harvard University 1987 IMC/ACDA, San Antonio 1988 Kansas State University 1989 IMC/ACDA, Louisville 1990 University of California, Santa Barbara 1991 IMC/ACDA, Phoenix 1992 Washington and Lee University 1993 IMC/ACDA, San Antonio 1994 Harvard University 1995 IMC/ACDA, Washington, D.C. 1996 University of Wisconsin-Eau Claire 1997 IMC/ACDA,San Diego 1998 Morehouse College, Atlanta, GA 1999 IMC/ACDA, Chicago 2000 Rutgers University 2001 IMC/ACDA 2002 Purdue University 2003 IMC/ACDA, New York 2004 Harvard University 2005 IMC/ACDA 2006 University of Wisconsin-Eau Claire 2007 IMC/ACDA Miami 2008 Washington DC