About: http://webisa.webdatacommons.org/19254431

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	Robert Zimmerman is a well known and respected space historian and author.He posts regularly at his new website, http://behindtheblack.com, on space, science, and other matters relating to cultural and political issues.
http://www.w3.org/ns/prov#wasQuotedFrom	spacefellowship.com