Don Lake
Toronto,
Ontario, Canada
Daniel Thierstein
Bern,
Switzerland
Hermann Wiedenroth
Eldingen,
Germany
David Brass
Calabasas,
CA, United States
Alan J. Zipkin
Woodbridge,
CT, United States
Adam Davis
New York,
United States
Douglas Stewart
Melbourne,
Victoria, Australia
Edward T. Pollack
Portland,
ME, United States
Rudolph Braun-Elwert
Marburg,
Germany
Emanuel von Baeyer
London,
United Kingdom