In 1847 he began to act as Privatdozent in the university, and founded with Reinhardt the Archiv fiir pathologische Anatomie and Physiologic, which, after his collaborator's death in 1852, he carried on alone, and in 1848 he went as a member of a government commission to investigate an outbreak of typhus in upper Silesia.
Gleiwitz is the centre of the mining industry of Upper Silesia.
According to a calculation made by P. Frech in 1900, on the basis of the then rate of production, the coalfields of central France, central Bohemia, the kingdom of Saxony, the Prussian province of Saxony and the north of England, would be exhausted in 100 to 200 years, the other British coalfields, the Waldenburg-Schatzlar and that of the north of France in 250 years, those of Saarbriicken, Belgium, Aachen and Westphalia in 600 to Boo years, and those of Upper Silesia in more than 1000 years.
The Roman Catholics, most of whom are under the ecclesiastical sway of the prince bishop of Breslau, are predominant in Upper Silesia and Glatz; the Protestants prevail in Lower Silesia, to the west of the Oder, and in Lusatia.
In consequence of these raids the German element of population in Upper Silesia permanently lost ground; and a complete restitution of the Slavonic nationality seemed imminent on the appointment of the Hussite, George Podiebrad, to the Bohemian kingship in 1457.
