Wayne Knox, the longest-serving legislator in the history of the Colorado House of Representatives, has died at 92. Photo courtesy of the Knox familyWayne Knox is pictured in this undated photograph. Knox served 32 years in the Colorado legislature as a Democratic representative. He died at 92 on Sunday, July 21, 2019. Knox entered the legislature before term limits were established and served for 32 years as a Democratic representative in South Denver, a House record. Knox passed away early Sunday morning in Denver, his family said.