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Richard T. Liddicoat (1918–2002) was an American gemologist. ==Timeline== * March 2, 1918 Born in Kearsage, Michigan to Richard T. and Carmen Beryl (Williams) Liddicoat. * June 28, 1940 Joins the staff of GIA as assistant director of education * Fall 1941 Helps develop the Diamolite; publishes (with Shipley) his first article for Gems & Gemology: “A Solution to Diamond Color Grading Problems” * February 1946 After serving in the U.S. Navy during WWII, returns to GIA as director of research * August 1947 Publishes first edition of the Handbook of Gem Identification * 1948 Named assistant director of GIA * 1949 Named director of GIA New York and GIA Gem Trade Laboratory * April 1952 Named executive director of GIA; assumes editorship of Gems & Gemology * April 1953 Officially introduces the GIA diamond grading system as part of new educational class in New York * 1955 GIA Gem Trade Laboratory issues its first Diamond Grading Reports * 1960 Co-authors first edition of The Diamond Dictionary * 1962 Devises the “rapid sight” system for estimating diamond cutting quality * 1964 Co-authors first edition of The Jewelers' Manual * 1970 Launches a series of extension education classes in Israel taught by Glenn Nord, marking GIA's first global outreach * 1971 First GIA gemology courses taught in Japan (by an affiliate) * 1976 Receives the American Gem Society's Robert M. Shipley Award * Creates the GIA Research Department under the leadership of Dr. D. Vincent Manson * Spring 1981 Publishes first issue of Gems & Gemology in an expanded and redesigned format * 1982 Creates the GIA Alumni Association under Robert Earnest. Chairs GIA's first International Gemological Symposium in Los Angeles * 1983 Steps down as president of GIA; named chairman of the GIA Board of Governors named Honorary Member of AGTA * 1984 Named Man of the Year by the Consolidated Jewelers Association of New York named a Founding Organizer of ICA * 1985 Receives Modern Jeweler magazine's Lifetime Achievement Award * 1987 Receives the Morris B. Zale Lifetime Achievement Award. Becomes the first Honorary Lifetime Member of the Gem Testing Laboratory of Great Britain * August 1989 Honored with the dedication of the Richard T. Liddicoat Gemological Library and Information Center at GIA * 1991 Named to the National Home Study Council's Hall of Fame * 1992 Named GIA Chairman of the Board for Life * 1995 Receives GIA League of Honor Lifetime Achievement Award * June 2000 Life-size bronze statue created by staff member Michael Clary, placed at the entrance of GIA Carlsbad * July 2001 Receives the AGS Lifetime Achievement Award * July 23, 2002 Richard T. Liddicoat died at his home in Santa Monica of cancer. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Richard T. Liddicoat」の詳細全文を読む スポンサード リンク
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