John David Harrison, Sr., 71, passed away on Monday, June 17, 2013. Mr. Harrison was born in Winsted, CT on August 10, 1941 to the late David Paul Harrison and Anna Young Harrison and educated at Glynn Academy, Brunswick, GA and the Georgia Institute of Technology, Atlanta, GA, where he was a member of Lambda Chi Alpha fraternity. He began his professional career with Newcomb & Boyd Engineers in Atlanta, and then as a partner with Nottingham, Brook, Floyd and Harrison in Macon, GA. He later established his own consulting engineering firm, John D. Harrison and Associates, and then Harrison, Thuente and Spencer, and Harrison Design and Construction. Licensed in several states, his work included schools, hospitals, churches, city, commercial and government projects throughout the Southeast as well as internationally.