Michael Gundlach, a developer in the US, created AdBlock in 2009. Since then, other people have liked AdBlock so much that they've contributed code or time to help the project.
Here's a little more about Michael and his original work with AdBlock:
- Q&A with Michael Gundlach, creator of AdBlock for Google Chrome
- Michael Gundlach, the man who’s blocked 100 billion ads