These are HTML versions of Kai's Power Tips and Tricks for Adobe Photoshop. They have been written by Kai Krause in the early 1990s.
Photo: The Atlantic Monthly
The Interface of Kai Krause’s Software
What are the meta guys doing today? Check out MetaTools, MetaCreations, Meta...?
Steve Nelson's epiphany at gurusnetwork.com/kpt/
Paul Smith interviews Mike Migursky, March 2012
Interview de Pierre-Etienne Courtejoie, video2brain 2012
The History of the Drop-shadow