Richard T. Liddicoat

Richard T. Liddicoat, Jr.
Born(1918-03-02)March 2, 1918
DiedJuly 23, 2002(2002-07-23) (aged 84)
Other names"Father of Modern Gemology"
Alma materUniversity of Michigan
Occupation(s)Gemologist, Chairman of Board of Governors of Gemological Institute of America

Richard T. Liddicoat, Jr. (March 2, 1918 July 23, 2002) was an American gemologist. An educator in gemology, he contributed in the area of diamond quality grading and gem identification. Liddicoat was the Chairman of the Board of Governors at the Gemological Institute of America (GIA).