Patrick Min is a freelance scientific programmer. He specializes in geometry software, but has worked in many other areas, such as search engine technology, acoustic modelling, and information security. He has published papers and open source software in several. He holds a Master's degree in Computer Science from Leiden University, the Netherlands, and a Ph.D. in Computer Science from Princeton University. He is also a puzzle enthusiast, devising math puzzles for his father since the age of 7. This continues to this date, with dad solving his son's Calcudoku puzzles. Patrick lives in London.