Hartmut K. Lichtenthaler (born 20 June 1934 in Weinheim, Germany) is a German botanist, plant physiologist and university professor.
In 1961, he earned his Ph.D. at the University of Heidelberg with a dissertation about vitamin K1 in plants at the institute of Professor August Seybold.
[2] In the period 1962–1964, he was a research fellow at the laboratory of Nobel laureate Melvin Calvin at the University of California, Berkeley.
[2] In 1964, he became an assistant professor at the University of Münster, where he completed his Habilitation in 1967 with a thesis about prenylquinones and osmiophilic plastoglobuli in chloroplasts.
[3] The latter, which is responsible for the biosynthesis of carotenoids, prenyl-quinones, isoprene, mono- and diterpenes was detected in the 1990s (via 13C-labelling + NMR-spectroscopy) in close cooperation with Michel Rohmer.