“ He studied medicine at Greifswald and Halle, and in 1830 went to Berlin to qualify himself to be a teacher of natural history. He was soon after appointed an instructor in the gymnasium at Cologne, and in 1842 became professor of zoölogy in the university of Halle. In 1848 he was a deputy from Halle to the national assembly of Frankfort, and afterward a representative from Liegnitz in the first Prussian chamber, where he took his seat among the liberals. ”