 William R. Gruber

William Rudolph Gruber, (December 17, 1890 – January 27, 1979) Brigadier general, was an instructor at the Army Command and General Staff School at Fort Leavenworth when Dwight D. Eisenhower was a student there.Following Eisenhower's graduation, Gruber and his wife Helen Drennan Gruber were joined by Dwight D. and Mamie Eisenhower on a 17-day, 1800 mile motor trip through Belgium, Germany, Switzerland and France in 1929.