KINGSPORT - Lewis A. Carson, 92, died on Thanksgiving Day after a short illness. He grew up in Orangeburg, SC. His engineering degree at Clemson was interrupted by World War II; he entered the Navy at 18 and trained as a gunner/radio operator aboard Navy Liberators. He returned to Clemson to earn both his BS degree in 1949 and the affections of Doris Louise Dempsey, of Lexington, MA.