Larry Tesler (1945-2020)
Wednesday, February 19th, 2020Tesler was a giant in the field of human-computer interaction, having pioneered modeless interfaces at Xerox PARC and carried those over to Apple as part of the Lisa team. While at PARC, he and Timothy Mott created a text editor called Gypsy that included the first implementation of the now-common Copy and Paste features for moving blocks of information easily within a document. According to Robert Scoble, Tesler was also on the committee at Apple that decided to re-hire Steve Jobs in the mid-1990s. He will be missed.