Senator.
He was a four-star General in charge of Union troops during the Civil War.
John Adams
He was the junior U.S. senator from the State of Illinois. In 2008, he became the first senator elected to the presidency since John F. Kennedy in 1960.
LAWYER
Andrew Johnson
Dwight Eisenhower was the one.
Texas
Naval officer
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.
Andrew Jackson's last position before becoming U.S. President was U.S. Senator from Tennessee.