We have Thomas Knoll to thank for the program we know as "Photoshop".  Back in 1987 Thomas was a PhD student at the University of Michigan.  Being interested in photography, he started writing a program which he named "Display" on a Macintosh to display grayscale images.  He was encouraged by his brother, John, to turn it into a editing program.  This new program was first called "ImagePro" and latter renamed "Photoshop".  The first commercial version of "Photoshop" was distributed with a scanner manufactured by Barneyscan.  This was only a short-term deal and Adobe purchased the license in 1989.  In 1990 "Photoshop 1.0 was released.

 

 

The logo for Photoshop CS2

 

In 2004 "Photoshop" was renamed "Photoshop CS" (Creative Suite) to indicate its integration with the other Adobe CS programs: Illustrator and InDesign.

 

 

Photoshop History Time Line

 

1987     Thomas Knoll starts to write an imaging program for his Mac

1990     Photoshop 1.0 for Mac first released

1993     Photoshop 2.5.1 first version available for Windows PCs

1994     Version 3.0 has "Layers" capabilities

1998     Version 5.0 includes the "History" palette

2002     Version 7.0 has the "Healing Brush" and "Spell Check"

2004     Renamed Photoshop CS (8.0) and now has a RAW converter

2005     Photoshop CS2 (9.0) Adobe Bridge now included

2007     Photoshop CS3 (10.0) includes the "Black & White" converter

2008     Photoshop CS4 (11.0) Now capable of running in 64 bit

2009     Photoshop CS5 (12.0) Released

 

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