There is a few persons that has changes the way I am thinking and understanding what happens around me, one of them is Goldratt that I came a cross when I read his book about Critical Chain project management.
I got so into it and the beauty of the solution that I even made a design for a project planning tool, unfortunately I never wrote the code for it, so it is still a paper tiger.
Goldratt has made many things and here you can listen to him when he is talking about TOC.
https://www.youtube.com/watch?v=5HStf-XbsSo&utm_content=bufferf6e65&utm_medium=social&utm_source=linkedin.com&utm_campaign=buffer