Paul Callahan

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Paul Callahan
Born Unknown
Residence United States
Nationality Unknown
Institutions Unknown
Alma mater 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.

External links

Patterns found by Paul Callahan