Dyer, Alexander Brydie was born on March 28, 1852 in Fayetteville, North Carolina, United States. Son of Bvt. Major General Alexander Brydie (chief of ordnance United States of America) and Elizabeth B. (Allen) D.
Appointed from District of Columbia, and graduated from the United States Military Academy. 1873; graduate Artillery School, 1878.
Second Lieutenant 4th Artillery, June 13, 1873. Promoted through grades to colonel artillery corps, January 25, 1907. Assigned to 4th Field Artillery, June 6, 1907.
Retired from active service, March 15, 1913. Adjunct, Fort Riley, Kansas, 1873-1892. Served in campaign against Bannock Indians, 1878.
Senior instructor artillery, United States Military Academy, 1892-1897. Chief of artillery, 1st Division, 8th Army Corps, under Generals Anderson and Lawton, in P.I. Participated in battles at Manila, February 10, 1899, and San Piedro, March 13, 1899.
Recommended for brevetted of major. Chief of artillery, 2d Division, United States of America, under Major General Carter, on Mexican border, 1913. Author: Handbook for Light Artillery.