Premise: Frederick Hale (October 7, 1874September 28, 1963) was the United States Senator from Maine from 1917 to 1941. He was the son of Eugene Hale, the grandson of Zachariah Chandler, both also U.S. Senators. He was the brother of diplomat Chandler Hale, and the cousin of U.S. Representative Robert Hale.
Hypothesis: Frederick Hale became a senator before turning 43.