|Johns Hopkins University
Paul Callahan is a Life enthusiast.
He expanded David Buckingham's Herschel conduit mechanisms, building the first known stable reflectors for glider. He also carried out computer searches to find some of the smallest patterns exhibiting infinite growth, including the smallest possible one-cell-thick infinite growth pattern. He also wrote the gencols collision search program.
- Paul Callahan at Mark D. Niemiec's Life Page (Life Credits)
- Life page of Paul Callahan (ConwayLife.com mirror)
- Paul Callahan at the Mathematics Genealogy Project
- Paul Callahan on Scratch
Patterns found by Paul Callahan