John Collier was a notable American politician who served as a member of the United States House of Representatives from New Mexico. He was a member of the Democratic Party and represented the state from 1933 to 1935. Collier was known for his advocacy of Native American rights and his efforts to improve conditions for indigenous communities. In addition to his time in Congress, Collier played a significant role in shaping federal policies related to Native Americans. He served as the Commissioner of Indian Affairs from 1933 to 1945, where he implemented reforms aimed at promoting self-governance and economic development for Native tribes.