From Wikipedia, “In addition to his art, Ufer is known for his social activism. He helped victims of the 1918 flu epidemic being treated in the local schoolhouse and collected money for miners on strike in Madrid, New Mexico.[3] He was also a member of the Industrial Workers of the World and follower of Leon Trotsky.[1]”

He was also a member of The Taos Society of Artists (https://en.wikipedia.org/wiki/Taos_Society_of_Artists).