1838, 2d ed., 1844; Eucken in the Allgemeine Zeitung, supplement to Nos.

A pupil of Kuno Fischer, Fortlage, J.E. Erdmann, Lotze, and Eucken among others, Professor Falckenberg began his career as Docent in the university of Jena.

[Footnote 2: Protest of Professors Ernst Haeckel and Rudolf Eucken of Jena, quoted in The Times from the Vossische Zeitung of August 20, 1914.]