About: http://webisa.webdatacommons.org/298375358

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 came from a middle-class Moscow family; his mother was an English teacher, his father a professor of optical engineering.
http://www.w3.org/ns/prov#wasQuotedFrom	russialist.org