Thomas Knoll develops 'Display'

Thomas Knoll, a Ph.D. student, writes a program to display grayscale images on his Macintosh Plus, which later became the foundation of Photoshop.

Significance

This marked the very first step in the creation of what would become the most dominant image editing software.

Key facts

Date
1987-03-01
Type
invention
Location
Ann Arbor, Michigan (University of Michigan)