1911 Encyclopædia Britannica, Volume 26… (1911)
“ In 1838 he took the degree of doctor of philosophy, and then became master at a school near Leipzig. After a journey through southern Germany and Switzerland, and a visit to Strassburg, he returned to Leipzig, and set to work upon a critical study of the New Testament text, following the guidance of Karl Lachmann. In 1840 he qualified as university lecturer in theology with a dissertation on the recensions of the New Testament text, the main part of which reappeared in the following year in the prolegomena to his first edition of the New Testament. ”
