List of presidents of the United States by age
The median age upon accession to the presidency is 55 years and 3 months. This is how old Lyndon B. Johnson was at the time of his inauguration. The youngest person to assume the office was Theodore Roosevelt, who became president at the age of , following William McKinley's assassination; the oldest was Donald Trump, who was old at his inauguration. The youngest person to be elected president was John F. Kennedy, at of age on election day; the oldest was Ronald Reagan, who was old at the time of his election to a second term.
Giles H. Miller
Giles H. Miller (1902 or 1903 – 2005) was born in his parents' home in Lynchburg, Virginia, while Theodore Roosevelt was serving his first term as President of the United States. As a young man, not yet graduated from Lynchburg High School, he wanted to contribute to his community and serve his country. He went to the local recruiting station with two of his friends at the age of 15. Giles remembers the officer's reaction of seeing the three teenagers in his office, with intentions to enlist: The officer laughed and said, "Sergeant, three glasses of milk, please." Even Giles admitted, "We were just too young."