Haag spent much of his life in Lucerne as chaplain at a convent of Franciscan monks. _x000D_
He spent his formative years studying philosophy and theology first in Rome and later in Fribourg._x000D_
He later studied five Asian languages in Paris and Jerusalem, before going on to teach the Old Testament at the theology faculty of Fribourg University._x000D_
In 1960, Haag took up a post as professor at the University of Tübingen in Germany, where he was to spend the next 20 years studying the Bible._x000D_
Several prominent bishops and theologians around the world have become the recipients of a prize awarded annually by the Haag Foundation, set up in his honour in 1985._x000D_
Two of the most notable award winners were the French bishop, Jacques Gaillot, who was relieved of his diocesan duties by the Pope, and the anti-Apartheid campaigner, C F Bayers-Naudé.