Gernot Zippe

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Gernott Zippe
Born November 1917
Warnsdorf, Austria-Hungary
Died 7 May 2008 (90 years old)
Vienna, Austria
Residence Vienna, Austria
Citizenship Austria-Hungary (1917–1930)
Germany (1930–1960)
Austria (1960–2008)
Nationality German-Austrian
Fields Mechanical Engineering
Institutions Luftwaffe
Physics-Technical at Bundesanstalt
Tomsk-7 Uranium Laboratories
University of Virginia (United States)
Alma mater University of Vienna
Known for Zippe uranium centrifuges
German nuclear weapons project
Soviet nuclear program

Gernot Zippe PhD (November 1917 – 7 May 2008) was an Austrian-German mechanical engineer who is widely credited with leading the team which developed the Zippe-type centrifuge, a centrifuge machine for the collection of 235Uranium-235.

Early Life and World War II[edit]

Zippe was born in Varnsdorf, Austria-Hungary (nowadays Czech Republic) in 1917. Zippe studied and graduated with B.Sc. Physics at the University of Vienna in the '1938, and served in the Luftwaffe as a flight instructor and a researcher on radar and airplane propellers. In 1941, Zippe received his B.S. in Mechanical engineering, and M.Sc. in 1943 in same respected same discipline. While doing his post doctoral research at the University of Vienna, Zippe participated in Germany's nuclear weapons project in 1940s. He was the junior research team member of the Isotope separation project led by Klaus Clusius at the Ludwig Maximilian University of Munich. In 1945, he was awarded a PhD in Mechanical engineering with emphasizing on thermal column and its applicant physics. By the time Zippe fully joined the project as the team leader, communist spies kidnapped him, along with other technically skilled scientists and engineers, and imprisoned him in a special camp where he led a team that worked on centrifuge research for the Soviet Union.[1] In the Soviet Union Zippe worked at the Physics Institute of Sukhumi on a centrifuge project, led by German director Manfred von Ardenne, and directed by another German scientist Max Steenbeck, whose theoretical achievements Zippe used. He was allowed to leave in 1956, and returned to Vienna.

When Zippe visited a 1957 conference on centrifuge research in Amsterdam, he realized the rest of the world was far behind what his team had been able to achieve. His notes had been confiscated when he left the Soviet Union, but working from memory, he was able to recreate the centrifuge at the University of Virginia in the United States.[citation needed]

United States offer[edit]

The United States government tried to recruit him for secret nuclear research, going so far as to ask him to change his citizenship, but he refused and returned to Europe.[citation needed]

Personal interests[edit]

Working in industry in the 1960s, he was able to improve the efficiency of the centrifuge. He enjoyed flying and flew planes until he was 80 years old.[citation needed]

The Legacy[edit]

His invention made it cheaper to build nuclear reactors, and nuclear weapons, which increased the risk of nuclear proliferation. When asked if he has any regrets, he responds, "With a kitchen knife you can peel a potato or kill your neighbor, it's up to governments to use the centrifuge for the benefit of mankind."[citation needed]

It was an American Engineer, John P Feltman, whose research in composite materials led to his invention of a composite high speed centrifuge rotor (1966), http://www.freepatentsonline.com/3248046.pdf. Feltman's theories were those upon which the Zippe rotor was developed. Feltman sold this patent to Vernitron Corp. in 1971 to help his friend William Piemonte, who financed Feltman's patent application. Feltman's patent was predicated on the concept that it was strength/weight ratios that would make it possible to produce composite material rotors that would allow centrifuge rotors to be rotated at much higher RPM.

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