Friedrich Moritz Draenert, German-born Brazilian agronomist (Weimar 03 December 1838 – Uberaba, Minas Gerais State 09 September 1903)

First in the world showed bacterium as causative agent of plant diseases identifying Xanthomonas axonopodis pv. vasculorum as etiologic agent of sugar cane gummosis before T.J. Burrill

Berichte über die Krankheit des Zuckerrohrs. Zeitschrift fur Parasitenkunde 1:13-17, 1869

Weitere notizen über Krankheit des Zuckerrohrs. Zeitschrift fur Parasitenkunde 1:212, 1869 

Proposed a set of rules for weather forecast in O Clima do Brazil (1896)