About: http://webisa.webdatacommons.org/22345562

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	The number of retirees who received their PhDs in the 1970s (almost 20 percent) is particularly notable, since they would only be in their late 50s and early 60s.
http://www.w3.org/ns/prov#wasQuotedFrom	historians.org