Gruesome business: How a beer company helped the Nazis build crematoria

The lurid tale is the subject of a new book, 'Architects of Death'.

June 23, 2018 08:43
4 minute read.
THE CREMATORIUM in Buchenwald. The Topf logo can be seen on the machines, now part of a museum at th

THE CREMATORIUM in Buchenwald. The Topf logo can be seen on the machines, now part of a museum at the site. (photo credit: Wikimedia Commons)


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The city of Erfurt in the federal state of Thuringia in central Germany has a unique claim to fame. It contains the only Holocaust memorial housed on the site of an industrial manufacturing company. The story behind that memorial is the subject of Karen Bartlett’s new book Architects of Death.

The company concerned was J.A. Topf and Sons, a firm founded in the late 19th century to engage in the brewing of beer, based on Johannes Andreas Topf’s patented firing system for heating malt, hops and water. In her meticulously researched account, Bartlett traces, step by step, how this typical small-time German firm was transformed into a major supplier to the SS of the crematoria and gas chambers used in the Nazi death camps to exterminate millions of human beings.

Bartlett shows beyond any shadow of doubt that the brothers who headed the firm during the Nazi era, as well as the engineers, officials and other employees engaged in this aspect of their business, were fully aware of the purpose for which their crematoria were intended. The company made no effort to hide its involvement − indeed it stamped its Topf logo prominently in the iron of the gas ovens, achieving a sort of immortality when post-war newsreels filmed the crematoria that fueled the Holocaust.

During the 1930s, the firm’s involvement with firing systems led it to develop a mobile waste incinerator. In May 1939, with the Buchenwald concentration camp already established in Thuringia, and the number of dead bodies piling up, local crematoria were unable to cope and the SS approached Topf and Sons. Its chief engineer, Kurt Prüfer, adapted the firm’s waste incinerator into a mobile oil-heated cremation oven. An initial order for three mobile ovens followed, and the firm was set on the path that led to its full-scale involvement in the Holocaust.

As the network of concentration camps grew – and with them SS demands for ever more efficient systems of disposing of corpses – Prüfer dedicated himself to developing technical improvements to his ovens, and Topf expanded its manufacturing capacity accordingly. Most of those engaged in this gruesome business exhibited no trace of moral objection.

Crematoriums with one incineration chamber were succeeded by those with two, then three. Mobile ovens were soon followed by permanent crematoria inside the camps, starting with Buchenwald, where Prüfer and the Topf team were able to install four powerful machines which together could consume 9,000 bodies a day. Work at Buchenwald was followed by Dachau, then Mauthausen, then Auschwitz-Birkenau.

Following the notorious Wannsee conference in January 1942, where leading Nazis agreed to implement Hitler’s Final Solution, the mad, amoral business proceeded at an even more furious pace.

In high-level SS meetings at Auschwitz to consider the design and functioning of the gas chambers in Bunkers 1 and 2, Prüfer offered to design and supply eight-chamber incinerators for each bunker.

This willing immersion by the Topf engineering division in a wholly immoral enterprise infected the firm. Fritz Sander, a long-standing and highly respected Topf employee, was manager of the furnace construction division. Jealous of Prüfer’s obvious success in developing ever-more efficient methods of corpse disposal, he decided to apply his own mind to the problem, and dreamed up a stomach-churning ”corpse incineration oven for mass operation” and applied for a patent.

Interrogated by the Soviet authorities after the war – for, with the exception of one of the Topf brothers who committed suicide, the leading Topf managers stood trial – Sander explained that his crematoria were designed “on the conveyor belt principle, with bodies carried into the ovens continuously by mechanical means.”

No such crematorium was ever constructed, but by 1943 Prüfer was already hard at work planning the expansion of the Auschwitz death factory. His design for a sixth crematorium was based on continuous combustion industrial ring ovens, using a central fuel source and reducing costs by up to 70%. By the time the frm might have been ready to put the project into effect, Germany had its back to the wall, and the Nazi genocide project had run out of time.

The first investigation into the Topf company’s involvement in the Holocaust was conducted by the US Counter Intelligence Corps the day after the liberation of Buchenwald in April 1945. US officers had seen the Topf logo displayed prominently on the ovens. In July, the city of Erfurt was transferred from American to Soviet control, and subsequently three Topf managers were indicted for “criminal responsibility for their participation in the horrific acts of the Hitlerites in the concentration camps,” and subject to rigorous investigation by the Russian judicial system.

Excuses, justifications, evasions and untruths were swept aside. All three confessed to the charges laid against them and were found guilty without even standing trial. All were sentenced to 25 years of hard labor. Prüfer died in prison in 1952. The other two were released after nine years as part of a German-Soviet prisoner amnesty deal.

In Architects of Death, Bartlett describes in fascinating detail how a perfectly ordinary manufacturing firm came to ignore the total immorality of the business it sought, engaged in and encouraged. In parts it does not make for a pleasant read, but it is undoubtedly a salutary one.

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