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Alto System Project: Larry Tesler demonstration of Gypsy

Computer History Museum · demo · Watch on YouTube

GUI, HCI & interface historyHistory of computingTesting, debugging & developer tools

What it is

Archival footage of Larry Tesler demonstrating Gypsy, the modeless text editor he and Tim Mott built at Xerox PARC, running on the Computer History Museum's restored Alto. It is a long hands-on walkthrough of one of the earliest graphical document editors.

Why Hacker News recommends it

Referenced in discussions of early GUIs and Alto history as a rare first-hand demonstration by the creator.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2021, last 2025

What HN commenters said

  1. “I assume you know these interesting presentations”

    Interesting presentation on early editors like Gypsy.

    Rochus, 2021-06 · Recommendation · in “Building the First GUIs”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: xerox alto, gypsy, larry tesler, xerox parc, text editors

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