Eric Walker added Bret Victor - Inventing on Principle on Vimeo to a number of topics

Eric Walker added Richard Stallman - Wikipedia to Richard Matthew Stallman

Eric Walker added a number of topics and a number of links to Computer scientists and software developers, and added Computer scientists and software developers to Scientists, researchers and academics and Computer science

Eric Walker added Bret Victor - Inventing on Principle on Vimeo and Richard Stallman - Wikipedia to Richard Matthew Stallman, and added Richard Matthew Stallman to Computer scientists and software developers