Albert Brown Chandler was an American corporate executive. He was notable for his association with Abraham Lincoln during Chandler's service as a War Department telegraph operator during the American Civil War, and his later work as president of the Postal Telegraph Company.

Thomas Thompson Eckert was an officer in the U.S. Army, Chief of the War Department Telegraph Staff from 1862 to 1866, United States Assistant Secretary of War from 1866 to 1867 and an executive at Western Union.