Desc: Wilskracht: Directed by René Van de Weerdt. With Arthur Janssen, Jozef Kadijk, Léon-Eli Troclet. Every thing you always wanted to know about the Belgian Socialist Mutual Insurance Organization, its history, its clinics, hospitals, preventoriums, sanitariums, holiday camps, co-operatives and laboratories. Also listen to a speech by Léon-Eli Troclet, the Liège-born Minister of Labour and Social Providence, founder of the Social Security in Belgium.