It started with Dwight D. Eisenhower and it ended with George H.W. Bush. 
From 20 January 1953 to 20 January 1993, our country was lead by a member of the Greatest Generation and a veteran of World War Two.  We may never see the likes such patriot presidents again. Eight presidents and forty years of our history: Eisenhower, Kennedy, Johnson, Nixon, Ford, Carter, Reagan and Bush(41). 

Note, I had intended characterize the character of service, but deemed it difficult to impossible. I will just say, I don’t consider them all equal.