Johan Olof Wallin (1779-1839) may be mentioned in the same category, although he is really distinct from all the schools.
The chief historians were Sven Lagerbring (1707-1787), author of a still valuable history of Sweden down to 1457 (Svea Rikes historia, 4 vols., 1769-1783); Olof Celsius (1716-1794), bishop of Lund, who wrote histories of Gustavus I.
Torbern Olof Bergman used an elaborate system in his Opuscula physica et chemica (1783); the 1 Dalton's atomic theory is treated in more detail in the article Atom.
The most original mind of the next age was Olof Rudbeck (1630-1702), the famous author of Atland eller Manhem.
Of the principal workers in this field we may notice Friedrich Hoffmann, Andreas Sigismund Marggraf (who detected iron by its reaction with potassium ferrocyanide, and potassium and sodium by their flame colorations), and especially Carl Scheele and Torbern Olof Bergman.
Sweden The Swenska Argus (1733-1734) of Olof Dalin is the first contribution of Sweden to periodical literature.
The older literature on the Lapps received a notable addition by the discovery in 1896, among the letters of Linnaeus preserved in the British Museum, of a MS. diary of a journey made in 1695 to the north of Swedish Lappmark by Olof Rudbeck the younger.
Torbern Olof Bergman reinvestigated its properties and determined its reactions; his account, which was published in his Opuscula, contains the first fairly accurate description of the metal.
The two great Swedish chemists, Torbern Olof Bergman (1735-1784) and Karl Vilhelm Scheele (1742-1786), flourished at this time.