Original: The Mandaeans have remained separate and intensely private—what has been reported of them and their religion has come primarily from outsiders, particularly from the Orientalists J. Heinrich Petermann, Nicholas Siouffi, and Lady Drower.
Simplified: The Mandaeans have remained separate and intensely private—what has been reported of them and their religion has come primarily from outsiders, particularly from the Orientalists J. Heinrich Petermann, Nicholas Siouffi, and Lady Ethel Drower.