Theodore Roosevolt became president of U.S.A after John McKinley was assassinated.
Senator.
yes, he was, before he became pres.
Pres. Reagan
Balamurali Ambati became the youngest doctor at 17 years old.
Andrew Jackson was a lawyer before he became president.
42 He was the youngest person to assume the presidency. He became President after the assassination of President McKinley. John Kennedy became the youngest elected President.
John F. Kennedy was 43 years old when he became the President of the United States in 1961.
Youngest is an adjective.
youngest
i did
Gerald R. Ford became President on August 9, 1974, following the resignation of Richard M. Nixon.