Hans-Martin Schmitz
Köln,
Germany
John Cayley
London,
United Kingdom
Ben A. Harteveld
Fribourg,
Switzerland
Lorenz B. Hatt
Hägersten,
Sweden
John-Peter Hayden, Jr.
Horseshoe Bay,
NY, United States
Christoph Schäfer
Düsseldorf,
Germany
Erik William Heldfond
San Anselmo,
CA, United States
G.C. Uhlenbeck
Leiden,
Netherlands
Beverly Joy-Karno
Valley Center,
CA, United States
Hugh Anson-Cartwright
Toronto,
Ontario, Canada
Hugh Pagan
Brockenhurst,
Hampshire, United Kingdom
Antonio Del Frate
Parma,
Italy