Henry S. Hook was a law partner to President Franklin D. Roosevelt and was a co-counsel for the executors of Roosevelt's estate. He was born in San Francisco and graduated from Yale University in 1902 and received his Bachelor of Laws degree from NY Law School in 1904. While practicing law in New York, he joined Marvin, Hooker & Roosevelt as a partner. He had a distinguished Army record for his service in World War I. Throughout his life he remained close with the Roosevelt family. In 1944, he was a Presidental elector from New York county pledged to the nomination of Roosevelt. In 1948, he was Preseident Truman's personal respresenative at the unveiling of the Roosevelt statue in London. At the time of his death in 1964, he was the senior partner of the firm Hooker, Alley & Duncan in New York.