In Memoriam
| Year | Name | Country | Details |
|---|---|---|---|
| 2014 | Dr. Thomas R. Russell | USA | Member (2000) |
| 2013 | Dr. John McFarland | Spain | Member (1981) |
| 2013 | Professor N. Rangabashyam | India | Member (1984) |
| 2013 | Dr. George Sheldon | USA | Member (1988) |
| 2012 | Mr. Lindsey Stewart | British Isles | Honorary Member (1975) |
| 2012 | Dr. Hugh Stevenson Jr. | USA | First U.S. Traveler, Member (1962) |
| 2012 | Dr. William H. Muller Jr. | USA | Member (1962) |
| 2011 | Dr. Arthur E. Baue | USA | Member (1983) |
| 2011 | Dr. Walter F. Ballinger | USA | Member (1967) |
| 2011 | Dr. C. Rollins Hanlon | USA | Member (1969) |