Much of Lou's writing can be considered under this category, including about 200 of his 500+ publications.
He has an ability to write about technical subjects in a way that can be easily understood by those who are not highly familiar with the subject matter. This requires the ability to comprehend the subject in depth, then to express that understanding with detail, thoroughness, and clarity.
Click here to see an example from the world of web page design. (The click will take you to another web site. Use your browser's Back button to get back here).