Alice Hale Hill (1840–1908) was a Denver philanthropist who helped lead institutions such as the Young Women’s Christian Association (YWCA) and the Denver Free Kindergarten Association. Wife of Nathaniel P. Hill, a smelting entrepreneur and US senator,…

Nathaniel Peter Hill (1832–1900) was a mining entrepreneur and US senator from Colorado. In the 1860s, Hill, an accomplished chemist and metallurgist, bought mining interests in Black Hawk and developed the first successful smelter in Colorado,…