| | | 1993 |
| | | 1996 |
| | Anelli, Pier LucioAsakawa, MasumiAshton, Peter R.Brown, George R.Hayes, WayneKocian, OldrichPastor, Santiago RodríguezStoddart, J. FraserTolley, Malcolm S.White, Andrew J.P.Williams, David J. | 1995 |
| | | 1996 |
| | Ashton, Peter R.Brown, George R.Isaacs, Neil S.Giuffrida, DanieleKohnke, Franz H.Mathias, John P.Slawin, Alexandra M.Z.Smith, Diane R.Stoddart, J. FraserWilliams, David J. | 1992 |
| | Amabilino, David B.Ashton, Peter R.Hayes, WaynePhilp, DouglasSpencer, NeilStoddart, J. FraserTolley, Malcolm S.Anelli, Pier LucioBrown, George R.Córdova, EmilioGodfnez, Luis A.Kaifer, Angel E.Slawin, Alexandra M.Williams, David J. | 1995 |
| | | 1989 |
| | | 1989 |
| | | 1994 |
| | | 1993 |