Back كارل فريدريتش اوسيبيوس تراهندورف ARZ Karl Friedrich Eusebius Trahndorff German Karl Friedrich Eusebius Trahndorff Esperanto
Karl Friedrich Eusebius Trahndorff (aka Carl Friedrich Eusebius Trahndorff) (18 October 1782 – 15 February 1863) was a German philosopher and theologian.