About: http://webisa.webdatacommons.org/409794014

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Though they were not permitted to talk to anyone about their work, including each other, by 1945 some had figured out that they were in fact building an atomic bomb.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org