Claim: Konstantin Efetov was born on March 15, 1938, and was known for his contribution to the development of the internet.
Evidence: Monoclonal immunosystematics 
Efetov was born in Simferopol on July 18, 1958. 
(1958-07-18) July 18, 1958 (age 62)
Simferopol, Crimea, USSR (now Ukraine)