While there is no suggestion that Prescott Bush was sympathetic to the Nazi cause, the documents reveal that the firm he worked for, Brown Brothers Harriman (BBH), acted as a US base for the German industrialist, Fritz Thyssen, who helped finance Hitler in the 1930s before falling out with him at the end of the decade. The Guardian has seen evidence that shows Bush was the director of the New York-based Union Banking Corporation (UBC) that represented Thyssen's US interests and he continued to work for the bank after America entered the war.
Bush was also on the board of at least one of the companies that formed part of a multinational network of front companies to allow Thyssen to move assets around the world.
Thyssen owned the largest steel and coal company in Germany and grew rich from Hitler's efforts to re-arm between the two world wars. One of the pillars in Thyssen's international corporate web, UBC, worked exclusively for, and was owned by, a Thyssen-controlled bank in the Netherlands. More tantalising are Bush's links to the Consolidated Silesian Steel Company (CSSC), based in mineral rich Silesia on the German-Polish border. During the war, the company made use of Nazi slave labour from the concentration camps, including Auschwitz. The ownership of CSSC changed hands several times in the 1930s, but documents from the US National Archive declassified last year link Bush to CSSC, although it is not clear if he and UBC were still involved in the company when Thyssen's American assets were seized in 1942.
Three sets of archives spell out Prescott Bush's involvement. All three are readily available, thanks to the efficient US archive system and a helpful and dedicated staff at both the Library of Congress in Washington and the National Archives at the University of Maryland.
The first set of files, the Harriman papers in the Library of Congress, show that Prescott Bush was a director and shareholder of a number of companies involved with Thyssen.
The second set of papers, which are in the National Archives, are contained in vesting order number 248 which records the seizure of the company assets. What these files show is that on October 20 1942 the alien property custodian seized the assets of the UBC, of which Prescott Bush was a director. Having gone through the books of the bank, further seizures were made against two affiliates, the Holland-American Trading Corporation and the Seamless Steel Equipment Corporation. By November, the Silesian-American Company, another of Prescott Bush's ventures, had also been seized.
The third set of documents, also at the National Archives, are contained in the files on IG Farben, who was prosecuted for war crimes.