Mahlon Lloyd “Cliff” Bosch grew up in Williamsport, PA. He became a linemen during his time with the Marine Corps at the end of WWII. As a civilian he held a variety of titles in the field: first-class lineman with Pennsylvania Power & Light, assistant director of safety and hot-line instructor with Kansas Power, and director for two hot-line training schools for the L.E. Myers Company in India. In 1960 Cliff joined the team at A.B. Chance as a tool demonstrator. Within three years he was the headquarters demonstrator, a role that saw him introducing new Chance tools to markets in Europe, the Middle East, and South America. Cliff became assistant product manager in 1967 and was promoted to manager the following year.
Cliff was a long time member of the tools and grounding subcommittee of the American Society for Testing and Materials (ASTM) and served as the committees vice-chairman. During his career he represented Chance in the National Utility Training and Safety Education Association and the National Association for Independent Laboratories (NAIL).
Cliff remained dedicated to his work for as long as he was able, serving more than 30 years with Chance. Cliff Bosch passed away April 18, 1992.