Carl Joseph Kopp, age 89, of London, Ohio, died Friday, March 26, 2021, in Kobacker House at Columbus following a period of declining health. Born in the family home in Tuscarawas on December 23, 1931, Carl was a son of the late John and Alta Van Lehn Kopp. After his graduation from the former Tuscarawas-Warwick High School, Carl obtained a Bachelor of Science Degree from Muskingum University where he played basketball and focused his studies on Geology. He went on to work for the Ohio Department of Natural Resources and spent much of his career working on Geological Engineering projects that pertained to highways, the oil and gas industry and dam safety. He often commented on the fact he had surveyed the grounds around what is now Interstate 70 at Cambridge while that project was in its planning stages and retired in 2001 after many years of service. He was a longtime member of Redeemer Moravian Church at Dublin and enjoyed collecting and restoring antique Allis Chalmers tractors. His other favorite past-times were watching his granddaughter play softball, traveling to Germany for family reunions and vacationing with his wife. Surviving is his daughter, Jill (Andy) McLoughlin of London; a granddaughter, Joy McLoughlin of London; a special cousin, Katherine Shamel of Tuscarawas; three brothers-in-law, Don (Janet) Decker of Tuscarawas, John (Judy) Decker of Phoenix, AZ and James (JoAnne) Decker of Delaware and numerous nieces and nephews. In addition to his parents, Carl was preceded in death by his wife of 54 years, Jean M. Kopp, whom he married on December 26, 1964 and preceded him passing on August 17, 2019; their son, Gary Kopp; a brother, John Kopp; a special cousin, Martha Rolli, and a brother-in-law, Allen Decker.