22776 Matossian, full name 22776 Matossian (1999 CS24), main-belt asteroid discovered on February 10, 1999
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Mariam Matossian Canadian musician of Armenian descent specialising in Armenian folk music
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Nouritza Matossian (born 1945), British Cypriot writer, actress, broadcaster and human rights activist of Armenian origin
His triumph over legendary arm-wrestler John Brzenk, was immortalized in the feature length documentary, "Pulling John", directed by Sevan Matossian.