Who is Franklin Delano Roosevelt from Eleanor Roosevelt: A Life of Discovery and what is their importance?

Franklin Delano Roosevelt and Eleanor Roosevelt were fifth cousins, once removed. The two first became acquainted at a Christmas party when Eleanor was just fourteen and Franklin sixteen. After Eleanor returned from a three-year term at an exclusive finishing school in London, the two became reacquainted and began seeing one another. Franklin proposed to Eleanor on a long-walk they took at a Harvard-Yale football game. After marrying, Eleanor was under the domination of Franklin's mercurial mother, Sara, who was protective of her son and wanted to keep him close to her.