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Larry Tesler, UI Pioneer, Dies at 74

New York Times:

Lawrence Tesler, a pioneering computer scientist who helped make it easier for users to interact with computers, whether cutting and pasting text or selecting text by dragging a cursor through it, died on Sunday at his home in Portola Valley, Calif. He was 74.

and

In addition to helping develop the Lisa and Macintosh, Mr. Tesler founded and ran Appleā€™s Advanced Technology Group, after which he led the design of the Newton hand-held computer, although that proved unsuccessful. The group also created much of the technology that would become the Wi-Fi wireless standard, and Mr. Tesler led an Apple joint venture with two other companies that created Acorn RISC Machine, a partnership intended to provide a microprocessor for the Newton.

Truly an icon in computing history.