Larry Tesler, Researcher at Xerox and Apple, Made Computers Easier to Use

His belief that software should be intuitive for everyone was eccentric in the 1960s

2020欧洲杯APPAs a high-school student in the early 1960s, Larry Tesler began teaching himself the Fortran computer language and was struck by what he saw as clumsy syntax. He later recalled thinking that everyone would have a computer someday and “it needs to be easier to do than this.”

At the time, computer designers tended to focus on making the machines more powerful rather than on turning them into tools for the masses. Mr. Tesler, who died Feb. 16 at age 74, wanted computers to be simple to operate even for people with no computing...