<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/significantProject>	<http://caligraph.org/resource/Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_people_from_Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthDate>	"1870-01-05" .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthYear>	"1870" .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/West_Virginia> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_nationality_and_specialty> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_specialty> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_nationality> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_nationality_and_century> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"David D. Caldwell" .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_city> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1870_birth> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_ethnicity> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Pennsylvania> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/David_D._Caldwell> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1870_births> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Engineers_by_century> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1953_death> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Virginia> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/institution>	<http://caligraph.org/resource/American_Philatelic_Society> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_people_by_university_or_college_in_Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/deathDate>	"1953-03-05" .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_people_from_Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:People_from_Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Engineer> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:People_from_Washington,_D.C.,_by_occupation> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_people_by_educational_affiliation_in_Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1953_deaths> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/2000/01/rdf-schema#label>	"David D. Caldwell" .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Maryland> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Person_from_Washington,_D.C.> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/award>	<http://caligraph.org/resource/American_Philatelic_Society_Hall_of_Fame> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Lists_of_engineers> .
<http://caligraph.org/resource/David_D._Caldwell>	<http://caligraph.org/ontology/deathYear>	"1953" .
<http://caligraph.org/resource/David_D._Caldwell>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:People_by_era_in_Washington,_D.C.> .