Jon C Jefferys, 57Beaumont, CA
Jon Jefferys Phones & Addresses
Beaumont, CA
Ontario, CA
La Puente, CA
Diamond Bar, CA
La Puente, CA
Mentions for Jon C Jefferys
Publications & IP owners
Wikipedia
![Jon Jefferys Photo 14 Jon Jefferys Photo 14](/img/not-found.png)
John Jefferys
John Jefferys, birth and death date unknown, is the first game designer to whom a game design can be definitively ascribed. (Note: In the Anglophone world, ...
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