It is important to note that:
* Privacy: Information about someone's death is generally considered private and may not be readily accessible.
* No Significant Public Figure: Elsa Lowenthal does not appear to be a prominent figure whose death would have been widely reported.
If you are looking for specific information about Elsa Lowenthal, you might try contacting:
* Family members or close friends: If you know anyone who knew Elsa, they might be able to provide information.
* Local archives or historical societies: If you know where Elsa lived, these organizations might have records.
* Online genealogy websites: Some websites allow for searching of death records, although these may not be comprehensive.
However, without further context or details, it is impossible to provide any information about how Elsa Lowenthal died.