- James R. Melcher
- Katherine Hart Frame
- Judith Vitanza
- Karl Olivecrona
- Platinum Millennium
- Philip Neimark
- Hans Domininghaus
- Sophia Stewart
- Robert E. Odeh
- C. Pinheiro EA
- Herbert H. Woodson
- Kiwi Collection Inc
- Toshihisa Tsukuda
- Francis W.M.R. Schwarze
- Claus Mattheck
- Yasuzo Tsukada
- Frederick Henri Kay Henrion
- René Jetté
- Ole Seehausen
- Kenneth W. Wright