https://keybase.io/johnderr
johnderr (John Derr) | Keybase
johnderr (John Derr) is now on Keybase, an open source app for encryption and cryptography.
john derrkeybase
https://johncderr.com/
John Derr - Another Christmas Carol, Personal Blog, Book
John Derr is the author of Another Christmas Carol, a modern sequel to the Charles Dickens classic. It is set in Philadelphia.
john derranother christmaspersonal blogcarolbook