Contact
Nick Berry died in October 2022. His DataGenetics inbox is still read, by Ian Mercer, who maintains this archive.
If you have a question about the site or one of Nick's articles, or a memory of Nick you'd like to share, you can write to:
nick at datagenetics dot com
Replies may take a while. Please understand that new questions about the puzzles may not get an answer the way they would have from Nick.