Colonel Sir George Everest ( ; July 4 , 1790 -- December 1 , 1866 ) was a Welsh surveyor and geographer , and the Surveyor General of India from 1830 through 1843 .
Sir George Everest ( ; 4 July 1790 -- 1 December 1866 ) was a Welsh surveyor and geographer . He was the Surveyor General of India from 1830 through 1843 .