References Friedrich Klemm, article 'Beckmann, Johann', in Dictionary of Scientific Biography There appear to be no other English language biographies, but German language ones are cited in Klemm. External links 1739 births 1811 deaths People from Nienburg (district) People from the Electorate of Hanover Uppsala University alumni Historians of science Members of the Royal Netherlands Academy of Arts and Sciences Members of the Royal Swedish Academy of Sciences German economists 19th-century agronomists 18th-century agronomists Members of the Göttingen Academy of Sciences and Humanities