]> [Botanist: Collector of the type of Asclepias klaprothiana Schult. (specimen cultivated from seeds received from North America); discovered the elements uranium, zirconium, cerium, and tellurium] Botany Klaproth, Martin Heinrich Klaproth, Martin Heinrich M. H. Klaproth Klaproth, Martin Martin Heinrich Klaproth 1743 1817