Armin Abmeier, the book dealer and publisher who assembled the collection, lived from 1940 to 2012.
Notes on verification
Confirmed by multiple independent obituaries, German Wikipedia, Wikidata/GND, and official DNB press releases, all citing identical birth/death dates. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.525 clusters=3 claim_tier=everyday | framework convergence=partial (upstreams: Deutsche Nationalbibliothek/GND (Integrated Authority File)) — publishers independent, evidence may not be | kind=empirical eligibility=high]
Sources
- Robert Crumb – Der Schmutzfink (seed:culture_and_philosophy)
- https://buchmarkt.de/menschen/gestorben/armin-abmeier (corroboration)
- https://www.boersenblatt.net/archiv/543155.html (corroboration)
- https://pirckheimer.blogspot.com/2012/07/armin-abmeier-1940-2012.html (corroboration)
- https://rsbuecher.blogspot.com/p/armin-abmeier.html (corroboration)