This article is a Stub. Please help the Photoshop Wiki by improving it. See the Wikipedia article at John Knoll. John Knoll is one of the co-creators of Adobe Photoshop, along with his brother Thomas Knoll. Retrieved from "https://photoshop.fandom.com/wiki/John_Knoll?oldid=2827" Categories: Article stubs Photoshop People Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.