Matches in DBpedia 2014 for { ?s ?p Professor Benjamin S. H. Maillefert (November 11, 1813 – August 8, 1884) was an engineer who specialized in underwater blasting. He developed torpedoes used by the Union naval forces during the American Civil War.Maillefert was born in Barcelona, Spain and was responsible for several attempts a blasting to improve navigation through Hell Gate in New York City's East River. His obituary from the August 12, 1884 New York Times reads:Prof. Benjamin S. H.. }
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- Benjamin_Maillefert comment "Professor Benjamin S. H. Maillefert (November 11, 1813 – August 8, 1884) was an engineer who specialized in underwater blasting. He developed torpedoes used by the Union naval forces during the American Civil War.Maillefert was born in Barcelona, Spain and was responsible for several attempts a blasting to improve navigation through Hell Gate in New York City's East River. His obituary from the August 12, 1884 New York Times reads:Prof. Benjamin S. H.".