IG Farben building

The IG Farben Building, officially known as the Poelzig Building, is a building complex in Frankfurt, Germany, which currently serves as the main campus of the University of Frankfurt. It was built from 1928 to 1930 as the corporate headquarters of the IG Farben conglomerate, then the world's largest chemical company and the world's fourth-largest company overall.

The building's original design in the modernist New Objectivity style was the subject of a competition which was eventually won by the architect Hans Poelzig. On its completion, the complex was the largest office building in Europe and remained so until the 1950s. The IG Farben Building's six square wings retain a modern, spare elegance, despite its mammoth size. It is also notable for its paternoster elevators.

The building was the headquarters for production administration of dyes, pharmaceutical drugs, magnesium, lubricating oil, explosives, and methanol, and for research projects relating to the development of synthetic oil and rubber during World War II. Notably IG Farben scientists discovered the first antibiotic, fundamentally reformed medical research and "opened a new era in medicine." After World War II, the IG Farben Building served as the headquarters for the Supreme Allied Command and from 1949 to 1952 the High Commissioner for Germany (HICOG). It became the principal location for implementing the Marshall Plan, which supported the post-war reconstruction of Europe. The 1948 Frankfurt Documents, which led to the creation of a West German state allied with the western powers, were signed in the building. The IG Farben Building served as the headquarters for the US Army's V Corps and the Northern Area Command (NACOM) until 1995. The US Army renamed the building the General Creighton W. Abrams Building in 1975.

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