I am a theoretical biophysicist. I currently do most of my (admittedly occasional) coding in Python, C++ and Mathematica, but like to keep abreast of new developments in languages. Have over the span of a couple decades coded in (roughly chronological order): Fortran, Pascal, C, Perl, PHP and dabbled in Algol68, Lisp, Prolog, Java, Haskell, Rust ...