Honorary Life Members
| 1958 | Beatrix Farrand |
| 1964 | Carl W. Fenninger |
| 1973 | Dorothy E. Hansell |
| 1976 | Fred B. Widmoyer |
| 1977 | Walter E. Eickhorst |
| 1981 | John E. Voight |
| 1983 | Richard W. Lighty |
| 1986 |
Francis Ching R. Henry Norweb, Jr. |
| 1988 | Mildred E. Mathias |
| 1993 | Joseph Oppe |
| 1999 | Dr. Roy L. Taylor |
| 2004 | Judith D. Zuk |
| 2005 | C. W. Eliot Paine |
| 2007 | Jonathan Shaw |
| 2008 | Elizabeth Scholtz |
| 2009 | Dr. Peter Raven |
