Major General Roscoe Barnett Woodruff was a career United States Army officer who fought in both World War I and World War II and served for 38 years. During World War II he commanded divisions and corps in Europe and the Pacific.

Oskaloosa is a city in, and the county seat of, Mahaska County, Iowa, United States. In the late nineteenth and early twentieth century, Oskaloosa was a national center of bituminous coal mining. The population was 11,558 in the 2020 U.S. census.