Gunnar Gräff
Stuttgart,
Germany
Karoly Antal
Budapest,
Hungary
Nancy L. McGlashan
Kew Gardens,
NY, United States
Arne-Ivar Kjerland
Tvedestrand,
Norway
Marcos Ortiz
Tres Cantos(Madrid),
Spain
Paul Foster
London,
United Kingdom
Paul Melzer
Redlands,
MD, United States
Ian Johnson
Buckinghamshire,
United Kingdom
Peter (Pom) Harrington
New York,
NY, United States
Bradley A. Jonas
Chicago,
IL, United States
Robin Beck
Ann Arbor,
MI, United States