Dan Salah Tawfik (28 May 1955 4 May 2021) was an Israeli biochemist, best known for his contributions in protein engineering, evolutionary biochemistry and, more particularly, enzyme evolution. A highly-cited contributor to the study of enzyme promiscuity. A paper by Mikael H Elias et al. retraces his achievements Obituary (see: Elias et al) (see also: Jackson et al)