Resources
Good News: Group corrects gravesites of Jewish soldiers buried under crosses
Pikesville Couple Finds Unknown Relative With Operation Benjamin
Finding Uncle Isidor
Brookline man helps correct a relative's grave with Star of David headstone, 108 years after death in WWI
Operation Benjamin - Discovering Isidor Katzenstein
Seht Euch um: Ihr alle seid Hüter der Erinnerung
"Look around you: You are all guardians of memory."
Remarks at the graveside of Isidor Katzenstein
David Hefter, July 3, 2026.
Remarks at the graveside of Isidor Katzenstein
Jesse Hefter, July 3, 2026.
Operation Benjamin Photo Album
Collection of photographs from the graveside service.
Operation Benjamin Video Album
Collection of videos from the graveside service.
Isidor Katzenstein Military-Historical Dossier
Stefan Schweitzer. Last updated - 6/16/2026.
Isidor Katzenstein (a"h) - A Brief History
Prepared by Operation Benjamin staff
Katzenstein Family Tree
Archival family lineage tracking. Last updated - 6/11/2026.
Katzenstein Family Tree
Super detailed tree prepared by Operation Benjamin.
Wehrda Article Transcription
Official historical German/English translation and transcription documents.
Family Photo of the Katzenstein Family (Jacob and Betty)
Annotated family photo - name identification by Ruth Hefter Katzenstein.
Volksbund article
Marking the 110th Battle of Somme and Jewish soldiers in Maissemy Cemetery