Warren Thomas Hannum
Brigadier General, United States Army
Second Lieutenant, Corps of Engineers. Served in the Philippines 31 October 1902 to 15 January 1904. Attached to the 2nd and 3rd Battalions of Engineers at Fort Leavenworth, Kansas, 16 March 1904 to First Lieutenant, Corps of Engineers, 23 April 1904.
16 August 1905 attached to the 1st Battalion of Engineers at Washington Barracks, D.C. 17 September 1905 to 2 July 1906. With the 2nd Battalion of Engineers, and attending the Engineer School at Camp Chickamauga, Georgia, to 3 October 1906. At Camp Columbia, Cuba, 23 October 1906 to 16 May 1907. With the 2nd Battalion of Engineers and reconnaissance for mapping of Cuba, Guantanamo Bay, Cuba, 17 May 1907 to 19 May 1908. In charge of construction of seacoast defenses for the protection of the Naval Station, Washington Barracks, D.C., 1 August to 17 November 1908. Attending the Engineer School and with Company E and Battalion of Engineers. Graduated from the Engineer School and made survey and plans for land defense, seacoast defenses, Artillery District of the Delaware at Washington, D.C. in the U. S. Engineer Officer, Assistant to the Officer in Charge of River and Harbor Improvements and of Washington Aqueduct and Filtration Plant, 18 November 1908. At the U. S. Engineer Officer, under the immediate orders of Major Spencer Crosby, Major of Engineers, to 23 December 1908, and under Major J. J. Morrow, Corps of Engineers, to Captain, Corps of Engineers, 3 December 1909.
January 1912 en route from Fort Leavenworth, Kansas, to Honolulu, Territory of Hawaii, with Company, February 1912; at Fort DeRussy and Fort Shafter, Territory of Hawaii, commanding the company and in charge of surveys of the Island of Oahu, March 1912 to Major, Corps of Engineers, 11 Mach 1915.
April 1912 at Honolulu, Assistant to the Department Engineer, Department of Hawaii, to August 1915. At Fort Leavenworth, Kansas, as student officer, Army Field Engineer School, September 1915 to June 1916. Honor graduate May 1916. At Eagle Pass, Texas, commanding the Battalion, July to October 1916. At Camp Wilson, San Antonio, Texas, commanding the Provisional Battalion, 12th Provisional Division, October 1916 to February 1917. At Washington Barracks, D.C. with 1st Engineers, April and May 1917. At Camp American University with the 6th Engineers, May to August 1917.
Colonel of Engineers, National Army, 1 August 1917.
At Camp Sherman, Chillicothe, Ohio, commanding 308th Engineers. 83rd Division, September 1917, to May, 1918; en route to Le Havre, France via Liverpool, with 308th Engineers, May 26 to June 1918: in Advance Section, Service of Supply, A. E. F., Assistant to Section Engineer, June to July, 1918; in active operations with 1st Corps, A. E. F., during Aisne-Marne Offensive, commanding 308th Engineers, July 26 to Aug. 12, 1918; at Chaumont, France, at General Headquarters, A. E. F., member of Training Section, G-5, from 13 August 13, 1918; transferred to General Staff, A. E. F., September 1918; Awarded Distinguished Service Medal.
Colonel of Engineers, National Army, 5 August 1917.
At Chaumont, France, at General Headquarters, American Expeditionary Forces, member of Training Section, G-5, from August 13, 1918; transferred to General Staff, American Expeditionary Forces, September 1918; en route to United States, June 1919; at Camp Humphreys, Virginia, Assistant Commandant, Engineer School, July 1919, to returned to Grade of Major, May 12, 1920.
August 1920; at Fort Leavenworth, Kansas, student officer, General Staff School, August 1920, to June 1921, when he was graduated; Instructor, General Service Schools, January 1921, to June 1922; at Washington, D.C., with War Department General Staff, Training Branch, 0-3, July 1922, to Lieutenant Colonel of Engineers, November 3, 1924.
August 1925; at Washington, D.C. as student officer, Army War College, August 1925, to June 1926, when he was graduated; at Fort Sam Houston, Texas, commanding 2nd Engineers, August 1926, to June 1927; at Fort Logan, Colorado, commanding post, and 2nd Engineers, June 1927, to March 1929; at Baltimore, Maryland, Engineer, 3d Corps Area, April 1929, to September 1930, and District Engineer in charge of River and Harbor Improvements in Baltimore, Maryland, District, April 1929, and member of Board of Engineers for Rivers and Harbors, August 1929, to Colonel, Corps of Engineers, 1 February 1934.
September 1931 at New Orleans, Louisiana, Division Engineer. In supervisory charge of all River and Harbor Improvements in Gulf of Mexico Division. October, and member of Board of Engineers for Rivers and Harbors, October 1931 to August, 1934; July, 1935; at Washington, D.C., Assistant to Chief of Engineers, in charge of Military Division, to January 1938; at San Francisco, California, Division Engineer, in supervisory charge of all River and Harbor and flood control Improvements, and construction seacoast fortifications and civilian airport construction in the South Pacific Division, and President, California Debris Commission, to December 1941; in supervisory charge of above and all mil construction in Pac Div, generally west of continental divide.
Brigadier General, Army of the United States 20 May 1942 AUS May 20, 1942.
Brigadier General Retired, 30 June 1942, by operation of law.
October 1943; continued on active duty until 31 January 1944
Service medals: Victory Medal with five clasps; Spanish War, Philippine Campaign, Cuban Occupation, Mexican Border, Ordre de l’etoile noire (French); Legion of Merit.
Civil History—Director, Department of Natural Resources, State of California by appointment of Governor Warren, February 1944.
Died, 14 August 1956, at The Presidio San Francisco, California.
Photo Courtesy of Russell C. Jacobs, October 2006
HANNUM, WARREN THOMAS
HANNUM, MAY NICKERSON WIDOW OF WARREN THOMAS
HANNUM, WARREN T JR
HANNUM, DOROTHY T