About: http://webisa.webdatacommons.org/158127405

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	And lastly, judging by this letter, Mr. Hanson was a scientist who worked for a Chicago company.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com