Born in new york. Is theodore roosevelt's distant cousin (another cousin). 1907 graduated from Columbia University Law School. He was a lawyer, a Democratic senator from New York, an assistant secretary of the navy and a governor of New York. Polio began in 192 1 year. During his presidency, he repeatedly published the "fireside chats" and implemented the "New Deal". Oppose the expansion of the Axis, and lead the United States to participate in World War II after Pearl Harbor. He is the longest-serving president in the United States. He is the author of Out of the Crisis.