Richard W. Hughes

Richard W. Hughes is widely regarded as one of the world’s foremost experts on ruby and sapphire. The author of several books and over 170 articles on gems and gemology, his writings and photographs have appeared in a diverse range of publications. In a lengthy career, Richard has received numerous industry awards. Co-winner of the 2004 Edward J. Gübelin Most Valuable Article Award from Gems & Gemology magazine, the following year he was awarded a Richard T. Liddicoat Journalism Award from the American Gem Society. In 2010, he received the 2010 Antonio C. Bonanno Award for Excellence in Gemology from the Accredited Gemologists Association. The Association Française de Gemmologie (AFG) in 2013 named Richard as one of the fifty most important figures that have shaped the history of gems since antiquity. Richard was awarded a visiting professorship at Shanghai's Tongji University in 2016. 2017 saw the publication of Richard's Ruby & Sapphire: A Gemologist's Guide, arguably the most complete book ever published on a single gem species and the culmination of nearly four decades of work in gemology. In 2018, Richard was named Photographer of the Year by the Gem-A for his photo of a jade market in China.

Wimon Manorotkul

Wimon Manorotkul has been involved with gems and gemology since 1979, as a lab gemologist, instructor and photographer. She is an Accredited Gemologist from Bangkok's Asian Institute of Gemological Sciences and for many years directed their lab. Wimon is also a Fellow (with honors) of the Gemmological Association of Great Britain. A skilled gem photographer, her images have been featured in books and magazines around the world, particularly Ruby & Sapphire: A Collector's Guide and Ruby & Sapphire: A Gemologist's Guide. Wimon not only photographs gems, jewelry and mineral specimens, but is also an expert photomicrographer.

E. Billie Hughes

Billie visited her first gem mine (in Thailand) at age two. A 2011 graduate of UCLA (B.A., Politcal Science), she qualified as a Fellow of the Gemmological Association of Great Britain in 2013. She has already distinguished herself with her photographic work published in Terra Spinel, the Wall Street JournalRuby & Sapphire: A Collector's Guide and Ruby & Sapphire: A Gemologist's Guide. To date, she has visited scores of counries for research on gems. Her gemological work has appeared in Gems & Gemology, The GemguideThe Journal of the Gemmological Association of Hong Kong, and InColor magazine. She is an award-winning photomicrographer and has won prizes in the Nikon Small World, Gem-A, Clemson University, and the Close-Up Photographer of the Year competitions. In 2019, Billie was awarded the Accredited Gemologists Assocation's Gemological Research Grant.


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