I've seen a few of these types of posts that rank the greatest programmers throughout history, and in many of these posts I often see a lot of comments that disagree more vehemently than your average programming post's comments.
So why not put it to a vote? Specifically, a ranking poll. Use the drag and drop interface below to rank your own list of of the greatest programmers of all time. Take a screenshot. Share it on Twitter. And then wait for the results.
Here's a list of our programmers to choose from, complete with links to explain what makes them great.
You don't need to drag and rank them all, but I highly encourage it.
Are we missing a great programmer? Tell us who you ranked using your "Other" option.