He was a soldier in the United States Army's 33rd Infantry Division during World War II.
Henderson defeated Democratic nominee Ronald K. Johnson in the general election with 70.1% of the vote.
[8] Henderson won the general election with 69.5% of the vote against Democratic nominee Lyndon Harriman.
[9] 1992 Henderson lost the District 2 senate seat race to Democratic Representative Barbara Chamberlain in the general election on November 3, 1992.
1990 Henderson lost the District 2 senate B seat race to Dennis Davis in the general election on November 6, 1990.