Published: Sep 06th, 2014
Long time Sioux Falls architect, Ralph R. Koch passed away on Sunday, August 24th, 2014. In 1961, Ralph founded his own firm and later partnered with Bob Hazard to become Koch Hazard Architecture, which celebrated 50 years in business in 2012. Ralph retired in 1992 and had been a member of AIA since 1958. Click here for a complete obiturary.