Ingemar Ragnemalm is a Swedish computer programmer, best known for writing the Sprite Animation Toolkit (SAT) and several games for the Apple Macintosh during the 1990s, including Bert and Solitaire House.
Co-author of "Tricks of the Mac Game Programming Gurus" (1995). Author of "Polygons feel no pain" and "So how can we make them scream" (2008).
He has a PhD in image processing and works as software developer and university teacher. He is the nephew of Hans Ragnemalm.