He and George Clinton are the only persons who served as vice-president under two different presidents.

The longest serving head of the Secret Service was William H. Moran, who served under five presidents from 1917 to 1936.

Thomas Patrick Melady (1927-) served as an American ambassador under three presidents.

He is one out of two vice presidents who did this; John C. Calhoun served under two presidents as well.

Meehan served under nine presidents.

Mr. Mesnier was hired by Rosalynn Carter in 1979 and served under five presidents.

He thus became one of two vice presidents to serve under two different presidents.

He served the President's Commission on Employment of the Handicapped under five American presidents.

The corruption of Hoover, who served under eight presidents, taints modern American history.

He served in the Cabinet under three presidents.