http://dbpedia.org/resource/David_Grennan an entity of type: Astronomer109818343 rdf:type yago:Astronomer109818343 yago:CausalAgent100007347 yago:LivingThing100004258 yago:Object100002684 yago:Organism100004475 yago:Person100007846 yago:PhysicalEntity100001930 yago:Physicist110428004 yago:WikicatIrishAstronomers yago:YagoLegalActor yago:YagoLegalActorGeo yago:Scientist110560637 yago:Whole100003553 owl:sameAs <http://rdf.freebase.com/ns/m.010gp1yv> data from the linked data cloud