JOHANN

FRIEDRICH

See also:

• LUDWIG, KARL FRIEDRICH WILHELM (1816—1895)
• LUDWIG, OTTO (1813-1865)

LUDWIG

See also:

• JOHANN FRIEDRICH LUDWIG HAUSMANN (1782-1859)

HAUSMANN (1782-1859)  , German mineralogist, was born at Hanover on the 22nd of February 1782 . He was educated at Gottingen, where he obtained the degree of Ph.D . After making a geological tour in Denmark, Norway and' Sweden in 1807, he was two years later placed qt the head of a government mining establishment in Westphalia, and he established a school of mines at Clausthal in the Harz mountains . In 1811 he was appointed professor of technology and mining, and afterwards of geology and mineralogy in the university of Gottingen, and this chair he occupied until a short time before his death . He was also for many years secretary of the Royal Academy of Sciences of Gottingen . He published observations on geology and mineralogy in Spain and Italy as well as in central and northern Europe: he wrote on gypsum, pyrites, felspar, tachylite, cordierite and on some eruptive rocks, and he devoted much attention to the crystals developed during metallurgical processes . He died at Hanover on the 26th of December 18J9 .