Capt. John McCrady
Charlestonian, a student of Agassiz at Harvard, then professor of mathematics at the College of Charleston, he resigned his position at the outbreak of the war and became an officer in the Confederate engineers. Transferred to Savannah he spent his efforts surrounding that city with an extensive ring of defenses.
The rest of his life was academic. He returned to his old professorship in Charleston, later became assistant to Agassiz, then professor of zoology at Harvard, and finally professor of biology at the University of the South, Sewannee, Tennessee.
Georgia Historical Commission 1963
Plaque courtesy Lat34North.com.
Original page, with additional info, here.
Photo credit: Byron Hooks of Lat34North.com.