Randolph E. Koch, of Allentown, passed away on January 1, 2021 at the age of 75. He was born in Allentown to the late Alton S. Koch and Arlene R. (Hilbert) and was married to his loving wife Linda (Iobst) on July 5, 1975. He was a veteran of the U. S. Air Force and had worked as a machine operator for the Fuller Co. which later became F.L. Schmidt for 37 years. Randolph was a member of the Christian Motorcycle Association and a member of Evangel Fellowship Church, in Allentown, where he enjoyed playing different instruments like the Saxophone, Ukulele, and the Harmonica.  He was predeceased by his brother David Koch and sister Aloha Dufour. Survivors: Wife Linda, Son Daniel J and wife Tammie Koch, Grandchildren Christopher, Diego, and Brayden. A  Graveside Service will be held at Cedar Hill Memorial Park in Allentown on Thursday January 7 ^th at 11:00AM. In lieu of flowers, please donate to: Evangel Fellowship Church, in Allentown, the Allentown Rescue Mission or to the American Cancer Society.