Aristid Lindenmayer

Aristid Lindenmayer was a swedish biologist who lived from 1925-1989. In 1968 Lindenmayer developed a formal language that are today called L-Systems or Lindenmayer Systems. Using those systems Lindenmayer modelled the growth of plants.

Aristid Lindenmayer, "Mathematical models for cellular interaction in development." J. Theoret. Biology, 18:280--315, 1968.