Martin Reuben Merritt Wallace was an American Union brevet brigadier general during the period of the American Civil War. He was a colonel in the 4th Illinois Cavalry. He received his appointment as brevet brigadier general dated to March 13, 1865.
Martin R. M. Wallace was born in Urbana, Ohio on September 29, 1829. He was the eighth child born to John Wallace his brother W. H. L. would go on to become a general. In 1834, the Wallaces moved to LaSalle County, Illinois. Wallace attended public school in the winter and worked on the farm the rest of the year. In 1839, the family moved to Ogle County, Illinois near Mount Mrris, where Wallaces father was a trustee of the Rock River Seminary. Wallace attended that institution and, after graduating, decided to pursue law as a profession. He studied with elder brother W. H. L. at Dickey amp Wallace in Ottawa, Illinois. Wallace was admitted to the bar in 1858 and moved to Chicago, Illinois to form a practice with Thomas Dent.
Source: Wikipedia