Franz Stigler had the opportunity to make a choice, and he made the right one, though it was a choice that could have seen him stood up against a wall and shot. In war, not all choices are clear, not all courses of action will have a good result. Sometimes though, things work out.
Sadly, neither of these two warriors is still with us, both passed in 2008. The following video clip remembers them. I would point you to an account of what happened, but really, you need to read the book. It is, in a word, superb.
The following clip came out after the book was published, tells more of the story.
You really need to read this book.
For those of you who notice such things, the painting at the top is not the same one on the cover of the book. The Me-109 is very different between the two paintings. Hhmm...