A Smalltalk-80 graphical user interface (GUI)

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Date
1980 ca.
Credit Line
Courtesy of the PARC Library
Copyright Owner
© PARC (Palo Alto Research Center, Incorporated)
Keywords
Palo Alto Research Center (PARC)
Object ID
500004472

Smalltalk promoted an “object-oriented” style of programming. The overlapping windows, with titles in the upper left, remain graphical standards today.