Robert Llewellyn Sumwalt Jr. (29 December 1927 – 11 June 2016) was an American entrepreneur and businessman who had a successful career as an engineer and general contractor, concentrating on commercial building.
[1] He was born to engineer and academic Robert L. Sumwalt and Caroline Causey on December 29, 1927 in Columbia, South Carolina.
[2] In 1949, he graduated from the University of South Carolina,[3] where his father then headed the engineering school, and in 1950 from the Massachusetts Institute of Technology with a MSci.
[3][4] Sumwalt launched his engineering career at DuPont's offices in Camden, South Carolina.
[6] On March 8, 1952 he married Joyce Mills[3][7] in Christ Church near the bride's home in Georgetown, Washington DC.