About: http://webisa.webdatacommons.org/90720293

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 was concerned about space, including perception of physical space, physical distance and movement.
http://www.w3.org/ns/prov#wasQuotedFrom	apadivisions.org