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.
Sources
- Robert Crumb – Der Schmutzfink (blog.dnb.de)
- https://buchmarkt.de/menschen/gestorben/armin-abmeier (buchmarkt.de)
- https://www.boersenblatt.net/archiv/543155.html (boersenblatt.net)
- https://pirckheimer.blogspot.com/2012/07/armin-abmeier-1940-2012.html (pirckheimer.blogspot.com)
- https://rsbuecher.blogspot.com/p/armin-abmeier.html (rsbuecher.blogspot.com)