What state did the senator who broke Theodore F. Green's record represent?
Theodore F. Green:  At the time of his retirement in 1961, he set the record at age 92 of the oldest person to serve in the Senate; which was subsequently broken by Strom Thurmond. Strom Thurmond: James Strom Thurmond (December 5, 1902 – June 26, 2003) was an American politician who served for 48 years as a United States Senator from South Carolina.
South Carolina