Johan Gottschalk Wallerius
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Johan Gottschalk Wallerius (11 July 1709 – 16 November 1785) was a Swedish chemist and mineralogist.


Biography

Wallerius was born at
Stora Mellösa Stora Mellösa () is a locality in Örebro Municipality, Örebro County, Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of Swed ...
in Närke (now Örebro County), Sweden. He was a son of provost Erik Nilsson Wallerius and his spouse Elisabeth Tranæa . He was a younger brother to the physicist, philosopher and theologian
Nils Wallerius Nils Wallerius (1 January 1706 – 16 August 1764) was a Swedish physicist, philosopher and theologian. He was one of the first scientists to study and document the characteristics of evaporation through modern scientific methods. He was also amon ...
(1706–1764). Johan Gottschalk entered
Uppsala University Uppsala University ( sv, Uppsala universitet) is a public university, public research university in Uppsala, Sweden. Founded in 1477, it is the List of universities in Sweden, oldest university in Sweden and the Nordic countries still in opera ...
in 1725, and graduated as magister in 1731 after studies of mathematics, physics and medicine. He continued his studies at
Lund University , motto = Ad utrumque , mottoeng = Prepared for both , established = , type = Public research university , budget = SEK 9 billion Doctor of Medicine Doctor of Medicine (abbreviated M.D., from the Latin language, Latin ''Medicinae Doctor'') is a medical degree, the meaning of which varies between different jurisdictions. In the United States, and some other countries, the M.D. denotes a profes ...
degree in 1735. After this graduation, he came back to Uppsala where he opened a course in chemistry in his laboratory. This course allowed students in pharmacy and chemistry to witness demonstrations and practice themselves with the experiments. The popularity of this teaching allowed Wallerius to become adjunct of medicine at Uppsala University in 1741 and the first holder of a new professorship of chemistry, medicine and pharmacy in 1750. The same year, Wallerius was elected member of the
Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special ...
. He retired from the chemistry chair in 1767 and was succeeded by his student Torbern Bergman (1735–1784). Wallerius is regarded as the founder of agricultural chemistry, mainly based on the significance of his widely disseminated work ''Agriculturae fundamenta chemica'' (1761, published in Swedish the same year as ''Åkerbrukets chemiska grunder'' and later translated into many other languages).Translated into French in 1766: He published several other studies on chemical, mineralogical and geological subjects and used his own farm Hagelstena in Alsike (south of Uppsala) as an experimental field. He spent his early retirement from the University due to poor health applying the principles of chemistry as a way to improve agriculture in his own farm, and published some of his findings in ''Rön, rörande landtbruket. Om svenska åkerjordartenas egenskaper och skiljemerken samt deras förbättring genom tienlig jordblanning'', which was awarded the prize of the
Royal Swedish Academy of Sciences The Royal Swedish Academy of Sciences ( sv, Kungliga Vetenskapsakademien) is one of the Swedish Royal Academies, royal academies of Sweden. Founded on 2 June 1739, it is an independent, non-governmental scientific organization that takes special ...
.


References


Other sources


Nordisk familjebok, 2nd ed., vol. 31, col. 498f
* ''Hjalmar F.'
Mutual Favours: The social and scientific practice of eighteenth-century Swedish chemistry
Uppsala: Uppsala universitet, 2003. 225 p. (Skrifter; 30) {{DEFAULTSORT:Wallerius, Johan Gottschalk 18th-century Swedish chemists 18th-century Swedish geologists Swedish mineralogists Uppsala University faculty Members of the Royal Swedish Academy of Sciences 1709 births 1785 deaths Uppsala University alumni Lund University alumni People from Örebro County