Lewis also trained hospital and medical personnel about culturally appropriate services for American Indians.
Always a political activist, during this time Lewis was also at the Wounded Knee Incident in 1973 and the Alcatraz takeover.
Landmark legislation concerning culturally appropriate services for American Indian people is an important part Lewis’s work.
Lewis has made contributions to American Indian issues at every level, including meetings with U.S. presidents, reports to Congress, and creating curriculum at universities.
Lewis died from cancer in Columbia, South Carolina, on April 14, 2019, at the age of 77.