Colin Winter with the late Arthur C. Clarke

This picture shows Colin Winter with the late Arthur C. Clarke (author of 2001 a Space Odyssey) in Columbo, Sri Lanka. Arthur Clarke is seen holding an OPL Spectroscope which Colin gave to him on the day of the NASA Mars landing.

Book Signing

Colin & Hilary sign a copy of their book for Bernd Munsteiner in Tuscon.

This picture shows Colin being presented with an award for sharing his knowledge and experience with a group from the U.S. based Accredited Gemologists Association, at the AGTA Gem Show in Tucson Arizona in February 1998.
Gem Dealer

Colin buying gemstones from a gem dealer at Ratnapura in Sri Lanka.

The OPL Stand at the Gem A Scottish Branch Conference.
At the Printers

'A Students Guide' goes to the printing press.

Colin demonstrating techniques...

Colin explaining OPL Hylite techniques to delegates at the NAJA Workshop, Tucson Gem & Mineral Show 2009.

Delegate at Tucson Workshop

A Delegate at the NAJA Workshop studying a gemstone spectrum with an OPL Teaching Spectroscope & Stand, Tucson Gem & Mineral Show 2009.

Colin with Howard Rubin

Colin is being presented with a Certificate of Thanks after giving an extended Lecture & Hands-on Workshop for the National Association of Jewelry Appraisers (NAJA) at the Tucson Gem & Mineral Show in 2009.