<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1973_deaths> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/20th-century_inventor> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_inventors> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Luxembourgian_metallurgists> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Luxembourger> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/1973_in_science> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Luxembourgian_inventors> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1889_birth> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:People_from_Albany,_Oregon> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Luxembourgian_inventor> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Luxembourgian_metallurgist> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Oregon> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/award>	<http://caligraph.org/resource/Castner_Medal> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Luxembourg> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Albany,_Oregon> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/deathYear>	"1973" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Ath%C3%A9n%C3%A9e_de_Luxembourg> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/occupation>	<http://caligraph.org/resource/Invention> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_inventors> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Alumni_of_the_Ath%C3%A9n%C3%A9e_de_Luxembourg> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/knownFor>	<http://caligraph.org/resource/Betterton%E2%80%93Kroll_process> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1889_births> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#NamedIndividual> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/2000/01/rdf-schema#label>	"William Justin Kroll" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/2004/02/skos/core#prefLabel>	"William Justin Kroll" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Edward_Goodrich_Acheson_Award> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Index_of_physics_articles_(W)> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/award>	<http://caligraph.org/resource/Perkin_Medal> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/award>	<http://caligraph.org/resource/Franklin_Institute_Awards> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Person_from_Albany,_Oregon> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/2002/07/owl#sameAs>	<http://dbpedia.org/resource/William_Justin_Kroll> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/1889_in_science> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/award>	<http://caligraph.org/resource/National_Inventors_Hall_of_Fame> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Benton_County,_Oregon> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Castner_Medal> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Esch-sur-Alzette> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Luxembourgian_emigrant_to_the_United_States> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/List_of_Luxembourgers> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/deathPlace>	<http://caligraph.org/resource/Brussels> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/2004/02/skos/core#altLabel>	"William J. Kroll" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/1973_death> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthPlace>	<http://caligraph.org/resource/Linn_County,_Oregon> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/award>	<http://caligraph.org/resource/Albert_Sauveur> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:People_from_Esch-sur-Alzette> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/1973_in_Luxembourg> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Person_from_Esch-sur-Alzette> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthYear>	"1889" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://caligraph.org/ontology/Alumnus_of_the_Ath%C3%A9n%C3%A9e_de_Luxembourg> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/birthDate>	"1889-11-24" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Luxembourgian_emigrants_to_the_United_States> .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/deathDate>	"1973-03-30" .
<http://caligraph.org/resource/William_Justin_Kroll>	<http://caligraph.org/ontology/knownFor>	<http://caligraph.org/resource/Kroll_process> .