TeX/LaTeX user since 1986. Shorter than Don Knuth. Finally finishing my book on LaTeX which began when I taught the LaTeX classes for the TeX Users Group in the late 80s/early 90s. https://preppylion.com Aiming for late summer completion 2021 of volume 1. Kickstarter is live until August 1st at https://www.kickstarter.com/projects/preppylion/the-preppy-lion-an-introduction-to-latex

Toying with creating a LaTeX replacement that removes all the pain points from the 40 year legacy of trying to make TeX do things it was never meant to do: https://finl.xyz