Dr. Geschke had a way of “looking around the corner,” said Shantanu Narayen, Adobe’s current chief executive. “Civilization is all about written material,” he said. “Chuck and John brought that into the modern era.”

Charles Matthew Geschke was born in Cleveland, on Sept. 11, 1939. His mother, Sophia (Krisch) Geschke, worked for the Cleveland bankruptcy court as a paralegal. His father, Matthew, was a photoengraver, helping to prepare the plates needed to print newspapers and magazines.

Matthew Geschke often told his son that there were two things he should avoid: the printing business and the stock market. For a time,


Courtesy of Dana Angluin

Stanley Eisenstat, professor of computer science, died on Dec. 17 at the age of 76, after a two-and-a-half-week stay at a Yale New Haven Hospital intensive care unit where he was being treated for a pulmonary embolism.

Eisenstat had taught computer science at Yale for almost 50 years. He joined Yale’s faculty in 1971 and served as director of undergraduate studies for the Department of Computer Science.

He received his bachelor’s degree from Case Institute of Technology in 1966 — Case later merged with Western Reserve University to form Case Western Reserve University — and completed


A young Bill English sits at an old 1960s computer terminal in this 1960s archive photoImage copyright
SRI International

Image caption

Bill English was the engineer who took the “rough notes” of an idea and built the first mouse

The co-creator of the computer mouse, William English, has died aged 91.

The engineer and inventor was born in 1929 in Kentucky and studied electrical engineering at university before joining the US Navy.

He built the first mouse in 1963, using an idea put forward by his colleague Doug Engelbart while the pair were working on early computing.

It would only become commonplace two decades later, when personal home computers became popular.

Mr English’s death was


Charles R. Cook, a National Federation of the Blind computer programmer who designed technological solutions for Braille translation, died of cancer July 2 at Stella Maris Hospice. The South Baltimore resident was 73.

“Charlie was a great person, who number one, was a man who lived life to the fullest and found everything to be an adventure that had to be lived daily,” said Mark A. Riccobono, who since 2014 has been president of the National Federation of the Blind.

“He was a very friendly and warm person, and when he talked to you, you knew you had his full



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