Education
Hargest collected and studied classic stamps of the United States as well as United States foreign mail.
Hargest collected and studied classic stamps of the United States as well as United States foreign mail.
He was an expert on the subject and wrote The History of Letter Post Communications Between the United States and Europe, 1845-1875 which was published by the Smithsonian Institution in 1971 and 1975. Hargest was named editor-in-chief of The Chronicle of United States. Classic Postal Issues, a journal of the United States Philatelic Classics Society, and contributed articles to the transatlantic mails section.