| Carl C. Speidel | 1927 |
| John H. Yoe | 1928 |
| J. C. Street | 1929 |
| H. E. Jordan and Carl C. Speidel | 1930 |
| E. C. Stevenson | 1931 |
| James H. Smith | 1932 |
| S. A. Wingard | 1933 |
| E. P. Johnson | 1934 |
| Margaret Hess | 1935 |
| Alfred Chanutin | 1936 |
| R. G. Henderson | 1937 |
| S. G. Bedell | 1938 |
| M. J. Murray and Forrest F. Cleveland | 1939 |
| Walter C. Gregory | 1940 |
| Charles Ray | 1941 |
| No Award | 1942 |
| J. B. Meyer | 1943 |
| J. Gerbert Taylor | 1944 |
| No Award | 1945 |
| Boyd Harshbarger | 1946 |
| D. B. De Jury | 1947 |
| Henry Leidheiser, Jr | 1948 |
| Walter S. Flory | 1949 |
| Erling S. Hegre | 1950 |
| D. B. Duncan | 1951 |
| D. R. H. Gourley | 1952 |
| Stephen Burko and Frank L. Hereford | 1953 |
| Lynn D. Abbott, Jr. and Mary J. Dodson | 1954 |
| Albert W. Lutz, Jr. and A. E. B. Reid | 1955 |
| M. C. K. Tweedie | 1956 |
| R. A. Bradley, D.E.W. Schumann, and W. H. Lewis | 1957 |
| C. Tyler Miller, Jr. and K. R. Lawless | 1958 |
| Dorothy L. Crandall | 1959 |
| Lawrence I. Miller | 1960 |
| Irving R. King, Billy W. Sloope, and Calvin O. Tiller | 1961 |
| Claude P. Talley and Gerald. R. Taylor, Jr | 1962 |
| H. A. David | 1963 |
| E. Rae Harcum | 1964 |
| D. Kuhlmann-Wilsdorf | 1965 |
| Frank A. Vingiello | 1966 |
| O. R. Rodig and Galal Zanati | 1967 |
| H. H. Hobbs, P. C. Holt and Margaret Walton | 1968 |
| A. J. McCaffery, P. N. Schatz, and T. E. Lester | 1969 |
| I. Gordon Fels | 1970 |
| L. R. Durden, L. H. Slack, and P. R. Eusner | 1971 |
| I. J. Good and R. A. Gaskins | 1972 |
| Larry Taylor, J. C. Dillard, and J. H. Burness | 1973 |
| Kuldip P. Chopra | 1974 |
| Roddy V. Amenta | 1975 |
| Douglas W. Ogle and Peter Mazzeo | 1976 |
| Henry W. Gould | 1977 |
| K. L. Reifsnider and K. D. O'Brien | 1978 |
| William L. Dewey | 1979 |
| C. R. Terman and R. J. Huggett | 1980 |
| L. E. Jarrard | 1981 |
| Joyce G. Foster | 1982 |
| Harold E. Burkhart, and Peter T. Sprinz | 1983 |
| R. W. Berlien, G. Colmano, and G. Nunn | 1984 |
| Milton M. Sholley, Gilda P. Ferguson, Hugo R. Seibel, James L. Montour, and John D. Wilson |
1985 |
| Robert F. Johnson | 1986 |
| Richard B. Brandt | 1987 |
| Muriel Lederman | 1988 |
| George W. Mushrush and Douglas G. Mose | 1989 |
| R. Bruce Martin | 1990 |
| W. John Hayden | 1991 |
| No Award | 1992 |
| W. Peter Trower | 1993 |
| William P. Harrison | 1994 |
| Peter Knipp | 1995 |
| Khidir H. Hilu and Hongping Liang | 1996 |
| Asimah Raft, Mitzi Nagarkatti, and Prakash S. Nagarkatti |
1997 |
| No Award | 1998 |
| David W. Mullins, Carol J. Burger, and Klaus D. Elgert | 1999 |
| No Award | 2000 |
| No Award | 2001 |