Harold D. Cardwell, Sr., is a retired Senior 'Rehabilitation Specialist with the Florida Department of Labor and Employment' Security, Division of Blind Services. He is a lifelong resident of Volusia County and a graduate of Florida Technological University. During World War II he was assigned to the Atomic Bomb Project at Oak Ridge, Tennessee, and Los Alamos, New Mexico.
Mr. Cardwell is currently president of the Port Orange Historical Trust. He is a board member of the Florida Historical Society, the Halifax Historical Society, the Daytona Beach Historic Preservation Board, and the Volusia Anthropological Society. He is past president of the Florida Anthropological Society, and the Halifax Historical Society, and is active in many other state historical and anthropological organizations. Mr. Cardwell is the author of many journal articles on local history and has written a number of books on the history of Port Orange and Daytona Beach, Florida.