"1901-02-01Z"^^ . "Howard Irving Chapelle (February 1, 1901 \u2013 June 30, 1975) was an American naval architect, and curator of maritime history at the Smithsonian Institution, Washington, D.C. In addition, he authored many books and articles on maritime history and marine architecture."@en . "1975Z"^^ . . "Howard Irving Chapelle"@en . "Chapelle, Howard I."@en . "American naval architect, curator of maritime history at the Smithsonian Institution, and author of books and articles on maritime history and marine architecture" . . "1901Z"^^ . . "1975-06-30Z"^^ .