Law firm partner in Bern, Switzerland, handling legal affairs for Ernst Stavro Blofeld in On Her Majesty's Secret Service.
Gumbold's firm handles legal matters connected to Blofeld.
Bond breaks into Gumbold's law office and learns there that Blofeld is corresponding about his aristocratic title claim.
Bond secretly investigates Gumbold's professional records.
Bond breaks into Gumbold's office to inspect the legal correspondence concerning Blofeld.
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Related entry on Wikidata (Q100146605), public domain (CC0).