. "1903Z"^^ . "Henck, John Benjamin"@en . . "John Benjamin Henck (October 20, 1815 Philadelphia \u2013 January 3, 1903 Montecito, California) was a classical scholar and civil engineer."@en . "1815-10-20Z"^^ . . "1903-01-03Z"^^ . . "1815Z"^^ . "American civil engineer" .