No one. Theodore Roosevelt became US President on 14 September 1901 at age 42
Theodore Roosevelt was 42 years old when he assumed the duties of President of the United States. He became President in 1901 after the assassination of President William McKinley.
The age he was when he became a president is 48
Theodore Roosevelt was the Vice President of William McKinley. When McKinley was assassinated and died on 14 September 1901, Roosevelt became President. He was 42 years of age, the youngest American to become President.
William McKinley was born on Janaury 29, 1843 and became President of the United States on March 4, 1897, when he was 54 years old. His term as President ended with his assassination on September 14, 1901 at the age of 58.
Theodore Roosevelt was never elected. After President McKinley was shot, Theodore became President at age 42. Theodore Roosevelt was 40 when he was elected Governor of New York in the fall of 1898. He was 42 when he was elected U. S. Vice President in the fall of 1900. He was 46 when he was elected U. S. President in the fall of 1904.
The correct spelling is Theodore Roosevelt, who became the youngest US President in history (age 42) when McKinley was assassinated in 1901.
Theodore Roosevelt was 46 when elected president in 1904. As the Republican vice-presidential nominee, he took office as vice-president when William McKinley was reelected, and he became president on McKinley's assassination in 1901 at the age of 43.
James K. Polk was 49 years of age when he was inaugurated in 1845.
US President Theodore Roosevelt served as US president from 1901 to 1909. As the vice president under President McKinley, he began as the US president in September of 1901. His last year in office was 1909. based on these numbers, it can be said he served for 8 years as US president.
Neelam Sanjiva Reddy, he was 64 years old.
Theodore Roosevelt was 46 when elected president in 1904. As the Republican vice-presidential nominee, he took office as vice-president when William McKinley was reelected, and he became president on McKinley's assassination in 1901 at the age of 43.
John F. Kennedy was the youngest president ever elected (43 years 236 days old).However, Theodore Roosevelt became vice president at a younger age (42 years 322 days old) and became president after McKinley's assassination and was technically a younger president than JFK.