![Boxer Peter Müller (l) from Cologne, called "de Aap" (=the ape), looks down at referee Max Pippow (r), whom he had just knocked out on the 8th of June in 1952 in Boxer Peter Müller (l) from Cologne, called "de Aap" (=the ape), looks down at referee Max Pippow (r), whom he had just knocked out on the 8th of June in 1952 in](https://c8.alamy.com/comp/D7B8G7/boxer-peter-mller-l-from-cologne-called-de-aap-=the-ape-looks-down-D7B8G7.jpg)
Boxer Peter Müller (l) from Cologne, called "de Aap" (=the ape), looks down at referee Max Pippow (r), whom he had just knocked out on the 8th of June in 1952 in
![plainpicture - plainpicture p42915214f - Boxer using punching bag in... - DEEPOL by plainpicture/Peter Muller plainpicture - plainpicture p42915214f - Boxer using punching bag in... - DEEPOL by plainpicture/Peter Muller](https://assets.plainpicture.com/public-738/images/previews/pre-p42915214f.jpg)
plainpicture - plainpicture p42915214f - Boxer using punching bag in... - DEEPOL by plainpicture/Peter Muller
![Senior boxer stood in a derelict warehouse Ref: CRB342 10021 035 Compulsory Credit: Peter Muller/ Photoshot Stock Photo - Alamy Senior boxer stood in a derelict warehouse Ref: CRB342 10021 035 Compulsory Credit: Peter Muller/ Photoshot Stock Photo - Alamy](https://c8.alamy.com/comp/MFN31A/senior-boxer-stood-in-a-derelict-warehouse-ref-crb342-10021-035-compulsory-credit-peter-muller-photoshot-MFN31A.jpg)
Senior boxer stood in a derelict warehouse Ref: CRB342 10021 035 Compulsory Credit: Peter Muller/ Photoshot Stock Photo - Alamy
![Koelnisches Stadtmuseum on Twitter: "#OTD 1952: Der kölner Boxer Peter "dä Aap" Müller schlägt Ringrichter Max Pippow K.O. 😲 Müller sagte nach dieser Aktion trocken: „Da hab ich ihn ausgemacht!“ #Koeln #KSM # Koelnisches Stadtmuseum on Twitter: "#OTD 1952: Der kölner Boxer Peter "dä Aap" Müller schlägt Ringrichter Max Pippow K.O. 😲 Müller sagte nach dieser Aktion trocken: „Da hab ich ihn ausgemacht!“ #Koeln #KSM #](https://pbs.twimg.com/media/De60KF5WAAAeua3.jpg)
Koelnisches Stadtmuseum on Twitter: "#OTD 1952: Der kölner Boxer Peter "dä Aap" Müller schlägt Ringrichter Max Pippow K.O. 😲 Müller sagte nach dieser Aktion trocken: „Da hab ich ihn ausgemacht!“ #Koeln #KSM #
ET JITT KEI WOOD - 08.06.1952 Der Boxer Peter Müller, genannt "de Aap" (Kölsch für „der Affe“), knockt im Kampf um die Mittelgewichtsmeisterschaft gegen Hans Stretz den Ringrichter Max Pippow aus Berlin
![Hussing, Konakbayev, Perunovic and Uusivirta were among the winners at the Cologne 1979 European Boxing Championships - European Boxing Confederation Hussing, Konakbayev, Perunovic and Uusivirta were among the winners at the Cologne 1979 European Boxing Championships - European Boxing Confederation](https://www.eubcboxing.org/wp-content/uploads/2020/07/8ED273C1-5CA0-492F-9E7C-F552BCF06847.jpeg)
Hussing, Konakbayev, Perunovic and Uusivirta were among the winners at the Cologne 1979 European Boxing Championships - European Boxing Confederation
![Boxer skipping in boxing ring, low angle view, Stock Photo, Picture And Royalty Free Image. Pic. CUL-IS09B05K5 | agefotostock Boxer skipping in boxing ring, low angle view, Stock Photo, Picture And Royalty Free Image. Pic. CUL-IS09B05K5 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/f7bd1d042589ae068a511b2ff351a41c/cul-is09b05k5.jpg)