roger b taney
He was a lawyer and a newspaper/magazine article writer.
John Quincy Adams was elected into senate in 1803 as Senator of Massachusetts, he only served one year before he became a lawyer in the supreme court, Russian ambassador, secretary of state and ultimately US president.
John C. Calhoun served as Secretary of War under President James Monroe from 1817 to 1825. He played a significant role in shaping U.S. military policy during this period. Later, he also served as Vice President under both John Quincy Adams and Andrew Jackson.
John Adams
The nationalistic secretary of state who promoted American interest against Spain and Britain is John Quincy Adams. He served as Secretary of State from 1817 to 1825 under James Monroe. He is regarded as one of the greatest secretaries of state in the nationâ??s history as he successfully negotiated with both Britain and Spain to expand U.S. territory.
John Quincy Adams was Secretary of State under Monroe and negotiated this treaty, known as the Adams-Otis treaty.
Swag swag
It was never proved to be a bargain, and John Quincy Adams selected him.
John C. Calhoun
9 presidents were once cabinet secretaries.Thomas Jefferson - Secretary of State under WashingtonJames Madison - Secretary of State under JeffersonJames Monroe- Secretary of State and War under MadisonJohn Quincy Adams - Secretary of State under MonroeMartin Van Buren - Secretary of State under JacksonJames Buchanan - Secretary of State under PolkUlysses S. Grant- Secretary of War ad interum under JohnsonWilliam Howard Taft - Secretary of War under T. RooseveltHerbert Hoover - Secretary of Commerce under Harding and CoolidgeIn addition, Theodore Roosevelt and Franklin Roosevelt both served as Assistant Secretary of the Navy.
Both men in your question were presidents, so no president served "under them". Please rewrite your question to state what you want to know.
Benjamin Stoddert served under President John Adams as the second Secretary of the Navy.