No pun intended in the post title, I promise.
Robert Godfrey over at Westminster Seminary in California has written a good four-part article on Camping to help us understand his roots, his ministry experience in the local church (CRC!) and some possible insight as to how and where he went astray. Here are the links to the article:
Part 1: http://wscal.edu/blog/entry/the-end-of-the-world-according-to-harold-camping-part-1
Part 2: http://wscal.edu/blog/entry/the-end-of-the-world-according-to-harold-camping-part-2
Part 3: http://wscal.edu/blog/entry/harold-camping-and-the-end-of-the-word-part-3
Part 4: http://wscal.edu/blog/entry/harold-camping-and-the-end-of-the-word-part-4