Photoshop was created in 1988 by Thomas and John Knoll.

Thomas Knoll
Born April 14, 1960 (age 58)
Alma mater University of Michigan
Occupation Software engineer
Children Andrew Knoll, Hannah Knoll


John Knoll
Born October 6, 1962 (age 55)
Ann Arbor, Michigan, United States
Education USC School of Cinematic Arts
Occupation Visual effects supervisor, chief creative officer (CCO)
Children: Sarah Knoll, Lisa Knoll, Jane Knoll, Alex Knoll