About: http://webisa.webdatacommons.org/162314218

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	He has appeared on numerous television and radio programs, notably on the History Channel, C-SPAN, PBS and NPR, as well as the BBC, the German ZDF and other foreign outlets.
http://www.w3.org/ns/prov#wasQuotedFrom	si.edu