In March 1998, Hans Kung celebrated his seventieth birthday. Over the years his books have been read by millions throughout the world, and they represent a quite remarkable achievement. The Church, a prophetic vision of the church written at the time of the Second Vatican Council and still read widely today, was followed by On Being a Christian?, Does God Exist?, Eternal Life, and then both by magisterial volumes like Judaism and Christianity and classic popular studies like Credo and Great Christian Thinkers, Global Responsibility led also to his indefatigable work for a global ethic, marked...