No one can go it alone. We would like to thank the many individuals who have helped us over the years. Please excuse us if we have missed anyone.
Family
- Phyllis and Robert Hughes, RWH's mother and father, USA
- David Hughes & Andrea Carney, RWH's brother and sister-in-law, USA
- The extended Manorotkul clan, Thailand
Special Thanks
- Marc Bogerd, Thailand
- John Emmett & Karen Palmer, Crystal Chemistry, USA
- Olivier Galibert, Hong Kong
- Gem and Jewelry Institute of Thailand, (with special thanks to Wilawan Atichat, Pornsawat Wathanakul, Chakkaphan Sutthirat, Thanong Leelawatanasuk, Visut Pisutha-Arnond, Wandee Mansrisuk)
- John & Kristi Koivula, microWorld of Gems & the GIA
- William Larson, Jeanne Larson, Josh Hall, Gabriel Mattice, John McClean, Jason Stephenson, William Larson, Jr., Carl Larson and the rest of the gang at Pala International, USA
- Vincent Pardieu, Fieldgemology.org & GIA, Thailand
- Julie Poli, Vietnam
- Dana Schorr (r.i.p.), Schorr Marketing, USA
Merci
- Lafir M. Abbas, The Choice, Sri Lanka
- Ahmadjan Abduriyim, GIA, Japan
- Lewis Allen, Lucas Amelung & Hans Pfister, Crown Color, Thailand & Hong Kong
- Rick Allen, Gem-Land Adventures, USA
- Apporv, Siam Pioneer Gems, Thailand
- E. "Hanuman" Aspler, Ganoksin.com, Thailand
- Zaheer Azizi, Azizi Enterprises, Thailand
- Walter Balmer, Switzerland
- Tom Banker, Thailand
- Bill Barker (r.i.p.), Barker & Co., USA
- Adolfo & Marta de Basilio, Spain
- Steven Baughman, USA
- Joe & Pirapan Belmont, KV Gems, Thailand
- Steve Bennett, GemsTV, UK
- Jeffery Bergman, Primagem, Thailand
- Riccardo Bertoncelli, Italy
- Jeffrey Bilgore, USA
- Rick Blankenhorn, the Gemmary, USA
- Dudley Blauwet & Kevin Ringer, Mountain Minerals, USA
- Edward Boehm, RareSource.com, USA
- Gary Bowersox, Geovisions, USA
- George Bosshart (r.i.p.), Switzerland
- Eric Braunwart, Columbia Gem House, USA
- James Breski, USA
- Barry Broman, USA
- Cal Brown, USA
- Peter & Eileen Brown, Australia
- Richard Brown, Thailand
- Grahame Browne (r.i.p.), Australia
- Charles Cameron, USA
- Anne Carroll Marshall, Hong Kong
- Cartier, France
- Loretta Castoro, USA
- Tom Chatham, Chatham Gems, USA
- Thongsak Chintakanrock, Expert Gems, Thailand
- Christie’s, various locations
- Fred & Sopha Chu, Prosper International, Thailand
- Ed Cleveland, Kashmir Blue, USA
- Terry Coldham, Australia
- Chris Cooney, Gem Mountain, USA
- Paula Crevoshay & Martin Bell, Crevoshay Co., USA
- Tom Cushman, Madagascar
- Bruce Davidson (r.i.p.), Sri Lanka
- Dona Dirlam, GIA Library, USA
- Katia Djevahirdjian, Hrand Djevahirdjian, Switzerland
- Richard Drucker & Stuart Robertson, Gemworld, USA
- Garry Du Toit, Thailand
- Manfred Eickhorst, Eickhorst, Germany
- Jim & Jennie Elliot, Australia
- Hemi Englisher, Gemcal, Thailand
- Thomas Färber, Switzerland
- Elaine Ferrari-Santhon, USA
- Conny Forsberg, Sweden
- Thomas Frieden, Frieden & Co., Switzerland
- Masaki Furuya, Japan
- Lyndsey Roy Hamm, Canada
- Ian Harebottle, Adrian Banks & Gabriella Harvey, London
- Gems By Nomads, Thailand
- Didier Giard, France
- David Glickman (r.i.p.), Thailand
- Jan Goodman, Jan Goodman Co., Thailand
- Gene Goldsand, USA
- Mike and Pat Grey, Coast-to-Coast Gems, USA
- Daniel Grondin, Madagascar
- Peter Grumitt, Apsara Gems, UK
- Eduard Gübelin (r.i.p.), Switzerland
- Thomas Hainschwang, GGTL Laboratories, Liechtenstein
- Tino Hammid (r.i.p.), Tino Hammid Photography, USA
- Henry Hänni, Switzerland
- Hayley Henning, TanzaniteOne, USA
- Han Htun, Stalwart Gems & Laboratory, Myanmar
- George Harlow, American Museum of Natural History, USA
- Alan & Charlene Hodgekinson, UK
- Hpone-Phyo Kan-Nyunt, Gübelin Gem Lab, Hong Kong
- Simon Hsu, Sino Resources, Hong Kong
- Neal Hurni, Lewis and Clark Sapphires, USA
- Christina Iu, Japan
- Kunal Jain, Sachi Gems & Tools, Thailand
- Matee Jungsanguansith, World Sapphire, Thailand
- Leonard S.N. Kalindekafe & Levison Wesley Undi, Malawi
- Susie & Kennedy Kamwathi, Kennedy's Gems, Kenya
- Robert Kane, Fine Gems International, USA
- John Kanyangira, Rwanda
- Alice Keller, USA
- Allen Kleiman, USA
- Ajith Konara, Kaluganga Gem Centre, Sri Lanka
- Nickolai Kouznetzov, Russia
- Rick Krementz, USA
- Michael Krzemnicki, Laurent Carier & Jean-Pierre Chalain, SSEF, Switzerland
- Tony Laughter, USA
- Brendan Laurs, USA
- Barbara Lawrence, USA
- Tom Lee, USA
- Alexander Leuenberger, Switzerland
- Peter Lyckberg, Sweden
- Louis Lo, Hong Kong
- Abdul Mahomed, Royal Group, Malawi
- Jeff Mason & Don Kay, Mason-Kay, USA
- Neal Masson, Thailand
- Antoinette Matlins, USA
- Shane McLure, GIA, USA
- Yianni Melas, Cyprus
- Wong Ming, Hong Kong
- Justin Mmbaga, Longido, Tanzania
- Robert, Fred and Pascal Mouawad
- Roland Naftule, USA
- Omi & Niveet Nagpal, Omi Gems, USA
- Kurt Nassau (r.i.p.), USA
- Robert G. Nkini, Tanzania
- Marc Noverraz, Madagascar
- Daniel Nyfeler & Lore Kiefert, Gübelin Gem Lab, Switzerland
- Donald A. Palmieri, USA
- Adam Parker, York Museum, UK
- Adolf Peretti, GRS, Bangkok
- Paul Picus, Mexico
- Ronnachai Porwongsawang, Elegant Gems, Thailand
- Jeffrey Post & Russell Feather, Smithsonian Institution, USA
- Todd A. Pownell, USA
- Charlotte Preston (r.i.p.), USA
- Prida Tiasuwan, Pranda, Thailand
- Ali Sanaei Rad, Central Bank of Iran
- Nirina Rakotosaona, Madagascar
- Peter Read (r.i.p.), UK
- Ricardo V. Reyes
- James Riley, UK
- Elaine Rohrbach, Gem-Fare, USA
- The Rogers Family, USA & Thailand
- Doug Ross, USA
- George Rossman, CalTech, USA
- Chavalit Salwala, Thai Lapidary, Thailand
- Saw Naung U (r.i.p.), Daw Khin Soe Myint, Saw Sanda Soe & Ei Ei, Myanmar
- Alberto Scarani & Mikko Åstrom of GemmoRaman, Italy & Finland
- Ken & Sriurai Scarratt, Thailand
- Joseph Schall, USA
- Jeff Scovil, Scovil Photography, USA
- Rogers S. Sezinga, Tanzania
- John, Mark & Eric Saul, France & Tanzania
- Jon Sigerman, USA
- Santpal Sinchawla, Sant Enterprises, Thailand
- Manus Siripatvanich, House of Goldsmiths, Thailand
- Elise Skalwold, Cornell University, USA
- Christopher Smith, AGL, USA
- Mark Smith, Thai-Lanka Trading, Thailand
- Somkhit Sodkaew, Sapphire Miners Cyangugu, Rwanda
- Sotheby’s, various locations
- Tim Spauwen, The Netherlands
- David Squires, InStore magazine, USA
- Martin Steinbach, Germany
- Judy Steinberg-Bricker, USA
- Issac Stern, Thailand
- John and Linda Stimson, Rocks of Ages, USA
- Patrick Streeter, UK
- Chetan and Kaimesh Sukhadia, Sukhadia Stones, Thailand
- Abe Latif Suleman, Tucker International, Tanzania
- Sarawut Sunantra, Wongwan Gems, Thailand
- Maha Tannous, USA
- Tay Thye Sun, Singapore
- Por Kuang Tang, PK Gems and Gold, Thailand
- Petcharaporn Tantiwong, Lapis Gemologists, Thailand
- Tom & Myriam Tashey, Professional Gem Sciences, USA
- Ted & Angelo Themelis, Gemlab, Thailand
- Matt Thompson, USA
- Veerasak and Tanyaporn Trirotanan, Veerasak Gems, Thailand
- Votha Un (r.i.p.), Cambodia
- Harold & Erica Van Pelt, USA
- Jim Varak, Australia
- Ben Vardi of Vardi Coloredhouse
- Fred (r.i.p.) & Charlotte Ward, USA
- Simon & Laurie Watt, Mayer & Watt, USA
- Robert & Rolf Weiser, USA
- David Weinberg, Multicolour Gems, Bangkok
- Robert Weldon, GIA, Thailand
- Bear & Cara Williams, USA
- Jack Wilson, Australia
- Richard & Rebekah Wise, USA
- John Woodmark & Bruce Moore, Desert Sun Mining & Gems, USA
- Larry Woods, Jewels from the Woods, USA
- Vlad Yavorskyy, Yavorskyy, Thailand
- Wilson Yuen, Able Lapidary, Hong Kong
- Philip Zahm & family, Philip Zahm Designs, USA
- Ray & Sheila Zajicek, Equatorian Imports, USA
- Gamini Zoysa, Mincraft, Sri Lanka
- Urs Zwyssig, Thailand