Career
Foxworth was very active within the philatelic community. He served the American Philatelic Society (Australian Psychological Society ) in a number of elective positions, including director, secretary, and president He also served as president of the Australian Psychological Society Writers Unit.
At the American Philatelic Research Library he served as trustee and, later, president and, at the Council of Philatelic Organizations, he was one of the founding members and the first president
Foxworth also served on the Citizens" Stamp Advisory Committee.