

Later, Thomas Knoll renamed the program ImagePro, but the name was already taken. 1988 - Not for distribution except by author). "Display" (Photoshop prototype) splash screen (ver. Source Code Download: Adobe Photoshop 1.0.1 (Product website: The first release was successful despite some bugs, which were fixed in subsequent updates. Photoshop 1.0 was released on 19 February 1990 for Macintosh exclusively. Both showings were successful, and Adobe decided to purchase the license to distribute in September 1988. During this time, John traveled to Silicon Valley and gave a demonstration of the program to engineers at Apple and Russell Brown, art director at Adobe. Later that year, Thomas renamed his program "PhotoShop" (with the 'S' capitalized) and worked out a short-term deal with scanner manufacturer Barneyscan to distribute copies of the program with a slide scanner a total of about 200 copies of Photoshop were shipped this way. Thomas renamed the program "ImagePro", but the name was already taken.

Thomas took a six-month break from his studies in 1988 to collaborate with his brother on the program. This program, called "Display", caught the attention of his brother John Knoll, an Industrial Light & Magic employee, who recommended that Thomas turn it into a full-fledged image editing program. Thomas Knoll, a PhD student at the University of Michigan, began writing a program on his Macintosh Plus to display grayscale images on a monochrome display. Interesting facts : Photoshop was developed in 1987 by the American brothers Thomas and John Knoll, who sold the distribution license to Adobe Systems Incorporated in 1988.
