Gibson E. Armstrong
 Gibson E. Armstrong served as a Republican member of the Pennsylvania State Senate from 1984 to 2009. He represented the 13th District. He was also a member of the Pennsylvania House of Representatives from 1977 through 1984. He was a Captain in the U.S. Marine Corps serving from 1965 to 1969 and is a Vietnam War Veteran.Armstrong served as Senator for Pennsylvania’s 13th Senatorial District (portions of Lancaster and York Counties) from 1984 to 2009.