Glenn, John and Thomas Knoll developing Photoshop

Photoshop began by a father and his two sons.

Glenn Knoll-the father of Thomas and John, he was a college professor and had two hobbies:computers and photography.
Thomas Knoll- a PHD student, adapted his fathers photography habit, the programmer/coder behind it all
John Knoll- purchased one of the first Macs available to the public, suggested that Tom suggested to turn it in to a full image editor.

The always in the dark room making pictures, but eventually started writing little bits of code to help display and to edit photos on one of the first mac computers.  They kept adding more and more code until everything came together and had there first buyer in 1988.  Mr. Scan was the guys name, bundled it with their scanners and then sold 200 copies.  The final and first version of Photoshop was licensed to adobe in 1990.