Mathematician and lecturer at Ulm University, Germany. Numerical mathematics, scientific computing, HPC, compilers, and computer architecture. I like teaching computing from first principles — from logic gates and CPUs to compilers and numerical software. GitHub: https://github.com/michael-lehn Web: https://www.uni-ulm.de/mawi/institut-fuer-numerische-mathematik/institut/mitarbeiter/mlehn/