I wrote my first program in 1980 (in Fortran). After I finished my PhD, I was employed in various programming jobs for about thirty years until I retired in 202

I wrote my first program in 1980 (in Fortran). After I finished my PhD, I was employed in various programming jobs for about thirty years until I retired in 2020. I still spend a lot of time programming, which I still enjoy, but no longer for work.