Dwight Eisenhower was the one.
Dwight D. Eisenhower was the Supreme Commander of the Allied Forces in Europe during part of World War II. After the war he served as Governor of the American Zone of Occupied Germany, Supreme Allied Commander in Europe, and Army Chief of Staff, and from 1948 until 1953 he was the President of Columbia University. Eisenhower had the highest military rank of any U.S. President to date other than George Washington.
He was a career military officer, serving for 36 years
President Eisenhower, Nikita Khruschev, Rockefeller, up and coming, Nixon.
John Adams
Andrew Johnson
Senator.
Naval officer
Texas
it was because he was a senator in Illinois and then ran for president
Herbert Hoover was a mining engineer and very successful at it.
Check dwightyoakam.com