Robert Thomas Garrison, a Cobb County native, was born on Sessions Street in Marietta in 1911. He is the son of Margaret Giles and Eli Wesley Garrison. Robert Garrison was one of the members of Marietta High School's 1928 graduating class, the first group of graduates to attend for four full years the newly built school on Polk Street. Shortly after graduating, he joined Cluett Peabody at their Arrow Shirt plant in Atlanta. By 1949, he had become president of the Arrow division.
Interview with Robert T. Garrison, 1987-06-12, Cobb County oral history series, Kennesaw State University Oral History Project, 1973- , KSU/45/05/001, Kennesaw State University Archives