What did Douglas Engel computer visionary?

Douglas Engelbart was a pioneering computer visionary best known for inventing the computer mouse and developing early hypertext systems, which laid the groundwork for modern computing and the internet. His work at the Augmentation Research Center at Stanford Research Institute emphasized human-computer interaction and collaborative computing. Engelbart's vision was to enhance human capabilities through technology, leading to significant advancements in software and networking. His famous 1968 demonstration showcased many innovations that would become fundamental to personal computing.