This is a nickname for Erich Gamma, Richard Helm, Ralph Johnson, and John Vlissides, the four authors of the one DesignPatterns book that started it all:
Design Patterns - Elements of Reusable Object-Oriented Software (ISBN 0201633612)..
Self destruct mode activated. Instructions for deactivation encoded in this tiny ad.
a bit of art, as a gift, the permaculture playing cards