He was born in July 3 1943 and he hasn't died yet :)
Norman E. Cook was born on 1888-12-09.
Norman E. Cook died on 1950-08-05.
Earle E. Seaton died in 1993.
E. Adamson Hoebel died in 1993.
George E. Merrick was born in 1886.
No ,Norman Thanguard is not dead because he has not died yet by jumping of a cliff.
Norman E. Thagard has not died. He was born in Marianna, Florida on July 3, 1943 and was selected to be an astronaut candidate by NASA in 1978. His first flight was as a member of the STS-7 crew on June 18, 1983.
Norman E. Rosenthal was born in 1950.
Norman E. Bowie was born in 1942.
Norman E. Gibbs was born in 1941.
Norman E. Gibbs died in 2002.
E. Herbert Norman was born on September 1, 1909.
Norman E. Brinker was born on 1931-06-03.
Norman E. Brown was born on 1890-10-10.
Norman E. Cook was born on 1888-12-09.
Norman E. Brinker died on 2009-06-09.
Norman E. Brown died on 1958-03-31.