About: http://webisa.webdatacommons.org/6484848

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	In the first period, not only physicists and mathematicians made a special study of color vision, but also such men as Goethe and Schopenhauer manifested considerable zeal for the subject.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com