Issue 555 ( 1918 ) mentions his leaving but when was unknown .
In his time , a bully and at least as bad a blackguard as Gerald Loder , Ionides vanished from the school and the stories , without explanation , during World War One .
Issue 555 ( 1918 ) mentions Ionides ' leaving but when was unknown .
In his time , a bully and at least as bad a blackguard as Gerald Loder , Ionides vanished from the school and the stories , without explanation , during World War One .