Hoyt C. Harris, M.D., died Wednesday morning, Oct. 23, at River Park Hospital in McMinnville. He was 93.Dr. Harris, born May 27, 1920, was the only child of Otie Poore and Bob Floyd Harris. After graduation from Dibrell High School, he attended David Lipscomb College and, in 1942, graduated with a bachelor of science degree from MTSU. Four years later, he received his medical degree from the University of Tennessee Medical School in Memphis.After four years in the U.S. Army Medical Corps, stationed in San Antonio, Texas, and Augusta, Ga., he opened his first medical practice in McMinnville in a building now occupied by Main Street Bakery and Café.