 Carl Friedrich Kielmeyer

Carl Friedrich Kielmeyer (22 October 1765 – 14 August 1844) was a German biologist and naturalist born in Bebenhausen, today part of the city of Tübingen.He was a pioneer of "Naturphilosophie", helped to establish organic chemistry ("Pflanzenchemie") as a field, and developed an early version of recapitulation theory through the observation of animal embryos.