Dennis Austin, who co-created the PowerPoint presentation application, breathed his last at his home in Los Altos, California on September 1, at the age of 76.
According to The Washington Post, his son, Michael Austin, said that his father was suffering from lung cancer that had spread to his brain.
He was born in Pittsburgh on May 28, 1947.
Austin studied engineering at MIT and UC Santa Barbara and joined the software company Forethought as a software developer and co-developed PowerPoint.
According to The Washington Post, the company released the software in 1987, and Microsoft bought it after a few months for $14 million.
Austin was PowerPoint's main developer from 1985 to 1996 when he superannuated.
PowerPoint earned huge popularity and by 1993 it generated over $100 million in sales.
Microsoft integrated PowerPoint into its suite of Office programs, including Word.
The report said more than 30 million presentations are created every day on PowerPoint.
The software is used by corporate executives, business schools, professors and military generals.
