Bernhard Cossmann

However, in 1878, Cossmann helped found the Hoch Conservatory in Frankfurt, where he occupied the post of teacher of cello.

In 1890 Cossmann adapted Schubert's Erlkönig for solo cello for the exclusive use of his student Heinrich Kiefer.

Bernhard Cossmann, author of many original works and of diverse “Phantasien” on motifs from operas (such as Freischutz, Euryanthe, etc.)

as well as on well-known pieces (also for solo cello such as “Paraphrase sur une chanson populaire allemande Ach, wie ist’s möglich dann.

One of Crossman's sons, Paul Nikolaus Cossmann (born 1869), author of a brief book on Hans Pfitzner (1904), died of typhus at Theresienstadt in 1942.