Career Born in LOCATION@1 , LOCATION@2 , LOCATION@3 , PERSON@1 is a son of PERSON@2 and PERSON@3 .

PERSON@1 is the son of scientist PERSON@2 and PERSON@3 , and the brother of mathematician PERSON@4 and correspondence chess grandmaster PERSON@5 . He was born in LOCATION@1 , LOCATION@2 , LOCATION@3 .
