 From 1955 to 1959 the president of the Hazeltine Company was Philip La Follette, former three-term governor of Wisconsin and son of "Fighting Bob" La Follette, who campaigned for president in 1924 as the Progressive Party candidate.The company flourished into the 1980s as a United States Federal defense contractor with particular success as a designer and manufacturer of "Identification Friend or Foe" (IFF) military detection and identification systems.During the 1970s, as an outgrowth of its defense work, Hazeltine Corp. developed the Hazeltine Terminal, an early monochrome smart terminal.