Donald Sanders Luce (September 20, 1934 – November 17, 2022) was an American aid worker and anti-war activist.
He became the country director in Vietnam for International Voluntary Services (IVS), a forerunner of the Peace Corps, in 1961.
He wrote an open letter to President Lyndon Johnson, which was also signed by 49 other members of the agency, that criticized US policy and offered recommendations.
[2][6] Luce used a hand-drawn map to find a secret door to an area where over 500 starving and tortured men and women were shackled in what were known as "tiger cages" under grates in a walkway.
[6] Luce died after suffering a sudden cardiac ischemia in Niagara Falls, on November 17, 2022, aged 88.