Major General Robert Emmet Callan (March 24, 1874 – November 20, 1936) was a distinguished United States Army Coast Artillery officer who served in the United States and overseas in places such as Puerto Rico, France and the Philippines.

[3] After graduating from West Point, Callan became a commissioned officer of the United States Army.

The citation for the medal reads: The President of the United States of America, authorized by Act of Congress, July 9, 1918, takes pleasure in presenting the Army Distinguished Service Medal to Brigadier General Robert Emmet Callan, United States Army, for exceptionally meritorious and distinguished services to the Government of the United States, in a duty of great responsibility during World War I.

After graduating from the United States Army War College in June 1921, Callan was promoted to brigadier general.

[2] He commanded the Third Corps Area in Baltimore, Maryland, until retiring at his own request in January 1936 after almost forty years of service.

[9] In addition to receiving the Distinguished Service Medal, Callan was honored by the military in several other ways.

Camp Callan, a World War II artillery training center, was named in his honor.