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Robert Shipley Jr. (1912–1982)

The son of GIA's founder, Robert Shipley Jr. made significant breakthroughs in gem instrumentation.

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Decades-Old Synthetic Alexandrite Sheds Light on Modern-Day Research Needs

An overview and commentary on the 2012 Journal of Gemmology article, “Flux-grown synthetic alexandrites from Creative Crystals Inc.”

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Eunice Miles (1917–1997)

GIA’s first female gemologist and a pioneer in the industry.

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Sapphire Series Part 1: Intro to Sapphire and Synthetic Sapphire

The first in the series, "Sapphire: A Crystal With Many Facets," this article details the properties and history of this mineral corundum, from its first industrial applications as a mechanical timepiece component to its earliest synthetic growth techniques.

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Lester Benson (1921-1961)

Renowned teacher, master of gem identification, and developer of gemological techniques and instruments.

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Robert M. Shipley Sr. (1887–1978)

This article highlights GIA's founder, Robert M. Shipley Sr.

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Robert M. Shipley, Founder of GIA

Why and how Shipley created GIA and its mission

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