Baumgarten-Crusius. I. Detlev Karl Wilhelm, a German philologist, born in Dresden, Jan. 24, 1786, died May 12, 1845. He studied theology and classical literature at Leipsic, and was a teacher and rector in the schools of Merseburg, Dresden, and Meissen, and a member of the Dresden municipal assembly in 1830. As teacher and legislator he brought about many reforms in the school system, and during the German war of independence he roused the enthusiasm of the German youth by his patriotic publications. He prepared pocket editions of many classic writers, and brought out a new edition of Muller's Homerische Vorschule (Leipsic, 1836). He also published a new biography of Georg Fabricius (Leipsic, 1839), besides miscellaneous, ethical, religious, and travelling sketches. II. Lndwig Friedrich Otto, a German theologian, brother of the preceding, born in Merseburg, July 31, 1788, died in Jena, May 31, 1843. He studied in Leipsic, and was over 25 years professor of theology at Jena. His writings on the history of Christian dogmas made him prominent.

He was in many respects a follower of Schleier-macher, and published in 1834 Ueber Schleiermacher, seine Denkart, und sein Verdienst.