This post should have been written in 2024, but my hands were full at that time. I sadly learned from the obituary of Fritz Leisch on the R Project website that he passed away in April 2024.
I didn’t have much direct contact with Fritz, but my career in R would have been very different without his pioneering work on Sweave, which was the main inspiration for me to create knitr later. I used Sweave extensively from 2008 to 2011. It was amazing to me that such a …