Sietse Bosgra
Bosgra studied physics at the University of Amsterdam and graduated in nuclear physics. As a student he became involved in the resistance against colonialism. Bosgra was one of the founders of the Angola Committee in 1961, which was set up in response to the Portuguese repression in Angola. The committee's activities by also started supporting liberation movements in Guinea-Bissau, Mozambique and South Africa. In 1976 the committee was renamed the Komitee Zuidelijk Afrika (KZA). In 1977 he received the  for the way in which he highlighted developing countries. In 1982, Bosgra was one of the initiators of the UN Year Foundation for Sanctions against South Africa, which campaigned for a cultural boycott of South Africa because of the apartheid regime. In the 1980s, he also championed an oil embargo against South Africa.