In the US Army, Air Force and Marine Corps, a commissioned officer superior to a captain and inferior to a colonel. The equivalent rank in the US Navy is Lieutenant Commander[?]. The insignia for all four positions is a gold oak leaf.
... (1885)
Studien (1839-47)
Neue Studien (1875-78).
He published also an autobiography entitled Von Magdeburg nach Königsberg (1873), which deals with his life up ...