Radia Perlman
American software designer and network engineer · United States · On the map · Academics · Born 1951 · age 74
Radia Joy Perlman is an American computer programmer and network engineer. She is a major figure in assembling the networks and technology to enable what we now know as the Internet.
Radia Perlman is read about 114 times a day, in 31 languages.
A typical day, 30 days to 11 November 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 113 days, one point a day.
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About this person
She is most famous for her invention of the Spanning Tree Protocol (STP), which is fundamental to the operation of network bridges, while working for Digital Equipment Corporation, thus earning her nickname "Mother of the Internet" a title that she did not like. Her innovations have made a huge impact on how networks self-organize and move data. She also made large contributions to many other areas of network design and standardization - for example, enabling today's link-state routing protocols to be more robust, scalable, and easy to manage.
