[1] He was born at his parents' summer home at Campobello Island, New Brunswick, Canada, which is now an international historical park.

His successful treatment with Prontosil, the first commercially available sulfonamide drug, avoided a risky surgical procedure which the White House medical staff had considered, and the headlines in The New York Times and other prominent newspapers heralded the start of the era of antibacterial therapy in the United States.

At the request of his father, along with brother Elliott Roosevelt, he attended both the Argentia (Atlantic Charter) summit with Prime Minister Winston Churchill in August 1941, and the Casablanca Conference in January 1943.

Returning from Argentia, he sailed with Churchill and stood with him at parades in newly American-occupied Reykjavik, Iceland to symbolize American solidarity with the United Kingdom.

[6] Brother James Roosevelt summarized "Brud's" naval service: "Franklin served on a destroyer that dodged torpedoes from Iceland to Minsk [sic!

The famed war correspondent Quentin Reynolds went out of his way to write mother how bravely Franklin performed in that bloody ordeal, in which he was awarded the Silver Star Medal for exposing himself under fire to carry a critically wounded sailor to safety.

James Roosevelt remembered that his brother was known as "Big Moose" to the men who served under him, he did "a tremendous job".

He was senior partner in the New York law firm of Roosevelt and Frieden, later known as Poletti, Diamond, Freidin & Mackay,[9] before and after his service in the Congress.

(On December 3, 1945, Time magazine announced that Roosevelt had joined Poletti, Diamond, Rabin, Frieden & Mackay.

He represented the 20th congressional district of New York from May 17, 1949, until January 3, 1955,[1] then based in the Upper West Side of Manhattan.

"[13] Roosevelt sought the Democratic nomination for governor in 1954,[14] but, after persuasion by powerful Tammany Hall boss Carmine DeSapio,[15] abandoned his bid for Governor and was nominated by the Democratic State Convention to run for New York State Attorney General.

Following his loss, Eleanor Roosevelt began building a campaign against the Tammany Hall leader that eventually forced DeSapio to step down from power in 1961.

"[17] He served as chairman of the Equal Employment Opportunity Commission from May 26, 1965, to May 11, 1966, during the administration of Kennedy's successor, President Lyndon B.

A winner at age 2, the New York-bred ran second in the 1986 Empire Stakes hosted that year by the Saratoga Race Course.

[23][28][26] On March 3, 1984, Roosevelt married his fifth and final wife, Linda McKay "Tobie" Stevenson Weicker (born 1939).

[4] On August 17, 1988, his 74th birthday, Franklin Delano Roosevelt Jr. died at Vassar Brothers Hospital in Poughkeepsie, New York,[1] after a battle with lung cancer.