The Baden government in 1853 laid an embargo on his teaching owing to his liberal ideas, but the effect of this was to rouse considerable sympathy for his views, and in 1856 he obtained a professorship at Jena, where he soon acquired great influence by the dignity of his personal character.

In 1872, on Eduard Zeller's move to Berlin, Fischer succeeded him as professor of philosophy and the history of modern German literature at Heidelberg.

In honor of his 80th birthday, celebrated in 1904, Otto Liebmann, Wilhelm Wundt, Theodor Lipps and others published Die Philosophie im Beginn des 20.

[citation needed] These include John Locke, George Berkeley and David Hume in the empiricist category and René Descartes, Baruch Spinoza and G.W.

Hermann Weyl, writing about pre-WWII academic life in Germany, told the following anecdote about Fischer: Other translations of his works are: