Not a scientist
MC
American
Male
Not in Entertainment
Not in the Arts
Not A Writer
Served in the military, but this did not make him famous
Died after 1900
Born after 1900
NOT :
Matthew Clark
Mickey Cochrane
Mickey Cohen
General Mark Clark
Marvin Camras
9 questions to go
You may have a hint if you'd like!
(I do have to say now though, that this name is much more familiar than most of the ones you've all guessed lately!

)