John F. Kennedy was the 35th president of the United States (1961-1963). He was born in Brookline, Massachusetts, on May 29, 1917,the second oldest in a family of nine children, the son of financier Joseph P. Kennedy, who served as ambassador to Great Britain during the administration of Franklin D. Roosevelt. He graduated from Harvard University in 1940. In 1941, John Kennedy joined the Navy. He became the commander of a small boat assigned to the battle in the Pacific against the Japanese. After World War II he soon decided to run for politi ....