Death of William English, co-inventor of the mouse.
He revolutionized computing by giving it one of its most famous accessories: William English, co-inventor of the mouse, died at the age of 91. (Read more)
William Kirk English was an American computer engineer who contributed to the development of the computer mouse while working for Douglas Engelbart at SRI International's Augmentation Research Center. He would later work for Xerox PARC and Sun Microsystems.Wikipedia