Background
Liddicoat, Richard Thomas was born on March 2, 1918 in Kearsarge, Michigan, United States. Son of Richard Thomas and Carmen (Williams) Liddicoat.
professional society administrator
Liddicoat, Richard Thomas was born on March 2, 1918 in Kearsarge, Michigan, United States. Son of Richard Thomas and Carmen (Williams) Liddicoat.
Bachelor of Science in Geology, University of Michigan, 1939; Master of Science in Mineralogy, University of Michigan, 1940; graduate gemologist, Gemological Institute American, 1941; Master of Science in Meteorology, California Institute Technology, 1944.
With, Gemological Institute American, Los Angeles, 1940-1942, 46-76;
with, Gemological Institute American, Santa Monica, California, since 1976;
director education, Gemological Institute American, 1942, 46-49;
assistant director, Gemological Institute American, 1950-1952;
executive director, Gemological Institute American, 1952-1983;
president, Gemological Institute American, 1970-1983;
Chairman of the Board, Gemological Institute American, since 1983;
also author courses, Gemological Institute American
editor, Gem and Gemology, since 1952. Honorary member research staff Los Angeles Museum Natural History, since 1968. United States deputy to International Gem Conference, 1960, 64, 66, 68, 70, 72, 75, 77, 79, 81, 83, 85, 89.
Delegate President'd Conference on Small Business, 1957.
Trustee National Home Study Council, 1983-1988. Fellow Mineral. Society American, Geological Society American, Gem Association Great Britain (honorary). Member American Association for the Advancement of Science, American Gem Society (supervisor educational sessions annual conclaves 1948-1983, Shipley award 1976), American Gem Trade Association (honorary), Gem Association Australia (honorary vice president), Gem Testing Laboratory Great Britain (1st honorary life member), Bel Air Country Club (board directors 1980-1983, Twenty-Four Karat Club (New York City and Southern California), Sigma Xi, Sigma Gamma Epsilon.
Married Mary Imogene Hibbard, September 21, 1939.