Meet Douglas Englebart
Douglas Englebart created the very first computer mouse in the mid 1960s!
Before his invention, using the computer required knowing special combinations of key-presses to make everything happen! And still today, coders often use "terminals" to engage with their code, which requires no mouse!
Englebart founded the Augmented Research Center at SRI International in the 1960's, which launched a lot of amazing computational artifacts today. For example, in 1968 Englebart gave the "Mother of All Demos". "The 90-minute presentation essentially demonstrated almost all the fundamental elements of modern personal computing: windows, hypertext, graphics, efficient navigation and command input, video conferencing, the computer mouse, word processing, dynamic file linking, revision control, and a collaborative real-time editor (collaborative work). " (https://en.wikipedia.org/wiki/The_Mother_of_All_Demos)
Englebart's goal in life was to do something good for people, and with all of the things that he started, and all of the ideas that he fostered and made come true - I would say that he succeeded!