As he stood and stared at the looming tenements of Edinburgh he saw what would become a large part of his life's work throughout his own country of Scotland. "For years I've looked at these tall buildings,' he told a friend, 'but it never occurred to me to go into them and visit the people there who don't know that Jesus has died to save them. There are children huddled together in there to keep warm. The poor things are nearly naked," his voice caught in his throat with the emotion.