Thomas Knoll

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Thomas Knoll
Alma materUniversity of Michigan
OccupationSoftware engineer

Thomas Knoll is an American software engineer who created Adobe Photoshop. He initiated the development of image processing routines in 1988.[1] After Knoll created the first core routines, he showed them to his brother, John Knoll, who worked at Industrial Light and Magic.[1] John liked what he saw, suggested new features, and encouraged Tom to bundle them into a package with a graphical user interface. In 1988, John sold the distribution license for Photoshop to Adobe Systems and later on March 31, 1995 he sold the rights to the program to Adobe for $34.5 million.[2][3]

Thomas Knoll was the lead developer until version CS4,[4] and currently contributes to work on the Camera Raw plug-in to process raw images from cameras.[4]

Knoll was born and raised in Ann Arbor, Michigan, and graduated from the University of Michigan.[5]

The Adobe Photoshop version CC 2015, which was released on June 15, 2015, was dedicated to Thomas Knoll and his brother.[citation needed]

At the 2019 Oscars, Thomas and his brother John were awarded a Scientific and Engineering Award for the original architecture, design and development of Photoshop.[6]


  1. ^ a b "From Darkroom to Desktop—How Photoshop Came to Light". 2000-02-18. Archived from the original on 2007-06-26. Retrieved 2010-02-19.
  2. ^ "Adobe Photoshop | software". Encyclopedia Britannica. Retrieved 2021-01-23.
  3. ^ "FORM 10-K". U.S. Securities and Exchange Commission. February 22, 1996. Retrieved January 23, 2021.
  4. ^ a b "20 Years of Adobe Photoshop". 2010-02-01. Retrieved 2010-02-19.
  5. ^ "THOMAS KNOLL, 1982, MSE'84". Retrieved 2017-01-17.
  6. ^ "Scientific & Technical Awards | 2019". Oscars. Academy of Motion Picture Arts and Sciences. February 9, 2019. Retrieved May 29, 2020.