If you mean the James Webb after which the James Webb Space Telescope is named then he was NASA's second administrator - see the link I will placed below.
James Baldwin-Webb died in 1941.
James Webb - historian - was born in 1946.
James Watson Webb died in 1884.
James Watson Webb was born in 1802.
George James Webb died in 1887.
George James Webb was born on June 24, 1803.
James Webb - Australian politician - died in 1939.
James Webb - Australian politician - was born in 1887.
Timothy James Webb was born on 1967-02-13.
James E. Webb was born on 1906-10-07.
James E. Webb died on 1992-03-27.
George James Webb was born on June 24, 1803.