Larry Tessler [sic], a project engineer, left Xerox to join Apple six months after he gave a demonstration of Xerox’s Smalltalk language to the LISA team.
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![Larry Tessler [sic], a project engineer, left Xerox to join Apple six months after he gave a demonstration of Xerox’s Smalltalk language to the LISA team.](pics/articles/thebirthoflisa/larrytesler.big.jpg "Larry Tessler [sic], a project engineer, left Xerox to join Apple six months after he gave a demonstration of Xerox’s Smalltalk language to the LISA team.")
