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Manfred von Ardenne
Manfred von Ardenne
(20 January 1907 – 26 May 1997) was a German research and applied physicist and inventor. He took out approximately 600 patents in fields including electron microscopy, medical technology, nuclear technology, plasma physics, and radio and television technology. From 1928 to 1945, he directed his private research laboratory Forschungslaboratorium für Elektronenphysik. For ten years after World War II, he worked in the Soviet Union
Soviet Union
on their atomic bomb project and was awarded a Stalin Prize. Upon his return to the then East Germany, he started another private laboratory, Forschungsinstitut Manfred von Ardenne.

Contents

1 Career

1.1 Early years 1.2 In the Soviet Union 1.3 Return to (East) Germany

2 Personal 3 Honors 4 Books 5 See also 6 References 7 Bibliography 8 External links

Career[edit] Early years[edit] The stormy life of von Ardenne's grandmother, Elisabeth von Ardenne (1853–1952), is said to have been be the inspiration for Effi Briest by Theodor Fontane, one of the most famous German realist novels. Born in 1907 in Hamburg
Hamburg
to a wealthy aristocratic family, Ardenne was the oldest of five children. In 1913, Ardenne's father, assigned to the Kriegsministerium, moved to Berlin. From Ardenne's earliest youth, he was intrigued by any form of technology, and this was fostered by his parents. Ardenne's early education was at home through private teachers. In Berlin, from 1919, Ardenne attended the Realgymnasium, where he pursued his interests in physics and technology. In a school competition, he submitted models of a camera and an alarm system, for which he was awarded first place.[1][2] In 1923, at the age of 15, he received his first patent for an electronic tube with multiple (three) systems in a single tube for applications in wireless telegraphy. At this time, Ardenne prematurely left the Gymnasium to pursue the development of radio engineering with the entrepreneur Siegmund Loewe, who became his mentor. Loewe built the inexpensive Loewe-Ortsempfänger OE333 with Ardenne's multiple system electronic tube. In 1925, from patent sales and publication income, Ardenne substantially improved the broadband amplifier (resistance-coupled amplifier), which was fundamental to the development of television and radar.[1] Without an Abitur, because he did not graduate from the Gymnasium, Ardenne entered university-level study of physics, chemistry, and mathematics. After four semesters, he left his formal studies, due to the inflexibility of the university system, and educated himself; he became an autodidact and devoted himself to applied physics research.[1] In 1928, he came into his inheritance with full control as to how it could be spent, and he established his private research laboratory Forschungslaboratorium für Elektronenphysik,[3] in Berlin-Lichterfelde, to conduct his own research on radio and television technology and electron microscopy. He invented the scanning electron microscope.[4][5] He financed the laboratory with income he received from his inventions and from contracts with other concerns. For example, his research on nuclear physics and high-frequency technology was financed by the Reichspostministerium (RPM, Reich Postal Ministry), headed by Wilhelm Ohnesorge. M von Ardenne attracted top-notch personnel to work in his facility, such as the nuclear physicist Fritz Houtermans, in 1940. Ardenne also conducted research on isotope separation. The small list of equipment Ardenne had in the laboratory is impressive for a private laboratory. For example, when on 10 May 1945 he was visited by NKVD
NKVD
Colonel General V. A. Makhnjov, accompanied by the Russian physicists Isaak Kikoin, Lev Artsimovich, Georgy Flyorov, and V. V. Migulin (of the Russian Alsos
Russian Alsos
operation), they praised the research being conducted and the equipment, including an electron microscope, a 60-ton cyclotron, and plasma-ionic isotope separation installation.[1][6][7]

Ardenne in 1933

At the Berlin Radio Show
Berlin Radio Show
in August 1931, Ardenne gave the world's first public demonstration of a television system using a cathode ray tube for both transmission and reception. (Ardenne never developed a camera tube, using the CRT instead as a flying-spot scanner to scan slides and film.)[8][9][10] Ardenne achieved his first transmission of television pictures on 24 December 1933, followed by test runs for a public television service in 1934. The world's first electronically scanned television service then started in Berlin in 1935, culminating in the live broadcast of the 1936 Summer Olympic Games
1936 Summer Olympic Games
from Berlin to public places all over Germany.[1] In 1937, Ardenne developed the scanning transmission electron microscope. During World War II, he took part in the study and application of radar.[1] In 1941 the "Leibniz-Medaille (de)" of the "Preußische Akademie der Wissenschaften" was awarded to Ardenne, and in January 1945, he received the title of "Reichsforschungsrat" (Empire Research Advisor).[11] In the Soviet Union[edit] Von Ardenne, Gustav Hertz, Nobel laureate and director of Research Laboratory II at Siemens, Peter Adolf Thiessen, ordinarius professor at the Humboldt University of Berlin
Humboldt University of Berlin
and director of the Kaiser-Wilhelm Institut für physikalische Chemie und Elektrochemie (KWIPC) in Berlin-Dahlem, and Max Volmer, ordinarius professor and director of the Physical Chemistry
Chemistry
Institute at the Berlin Technische Hochschule, had made a pact. The pact was a pledge that whoever first made contact with the Russians would speak for the rest. The objectives of their pact were threefold: (1) Prevent plunder of their institutes, (2) Continue their work with minimal interruption, and (3) Protect themselves from prosecution for any political acts of the past.[12] Before the end of World War II, Thiessen, a member of the NSDAP, had Communist contacts.[13] On 27 April 1945, Thiessen arrived at von Ardenne's institute in an armored vehicle with a major of the Soviet Army, who was also a leading Soviet chemist, and they issued Ardenne a protective letter (Schutzbrief).[14] All four of the pact members were taken to the Soviet Union. Von Ardenne was made head of Institute A,[15] in Sinop,[16][17] a suburb of Sukhumi. In his first meeting with Lavrentij Beria, von Ardenne was asked to participate in the Soviet atomic bomb project, but von Ardenne quickly realized that participation would prohibit his repatriation to Germany, so he suggested isotope enrichment as an objective, which was agreed to. Goals of Ardenne's Institute A included: (1) Electromagnetic separation of isotopes, for which von Ardenne was the leader, (2) Techniques for manufacturing porous barriers for isotope separation, for which Peter Adolf Thiessen
Peter Adolf Thiessen
was the leader, and (3) Molecular techniques for separation of uranium isotopes, for which Max Steenbeck was the leader; Steenbeck was a colleague of Hertz at Siemens. Others at Institute A included Ingrid Schilling, Alfred Schimohr, Gerhard Siewert, and Ludwig Ziehl.[18] By the end of the 1940s, nearly 300 Germans were working at the institute, and they were not the total work force.[19] Hertz was made head of Institute G,[20] in Agudseri (Agudzery),[16][17] about 10 km southeast of Sukhumi
Sukhumi
and a suburb of Gul’rips (Gulrip'shi); after 1950, Hertz moved to Moscow. Volmer went to the Nauchno-Issledovatel'skij Institut-9 (NII-9, Scientific Research Institute No. 9),[21] in Moscow; he was given a design bureau to work on the production of heavy water.[22] In Institute A, Thiessen became leader for developing techniques for manufacturing porous barriers for isotope separation.[23] At the suggestion of authorities, Ardenne eventually shifted his research from isotope separation to plasma research directed towards controlled nuclear fusion.[24] In 1947, Ardenne was awarded a Stalin Prize
Stalin Prize
for his development of a table-top electron microscope. In 1953, before his return to Germany, he was awarded a Stalin Prize, first class, for contributions to the atomic bomb project; the money from this prize, 100,000 Rubles, was used to buy the land for his private institute in East Germany. According to an agreement that Ardenne made with authorities in the Soviet Union
Soviet Union
soon after his arrival, the equipment which he brought to the Soviet Union
Soviet Union
from his laboratory in Berlin-Lichterfelde was not to be considered as "reparations" to the Soviet Union. Ardenne took the equipment with him in December 1954 when he returned to the then East Germany.[1][25] Return to (East) Germany[edit]

Ardenne speaks to the Volkskammer (1986)

After Ardenne's arrival in the Deutsche Demokratische Republik (DDR), he became "Professor für elektrotechnische Sonderprobleme der Kerntechnik" (Professor of electrotechnical special problems of Nuclear Technology) at the Technische Hochschule Dresden. He also founded his research institute, "Forschungsinstitut Manfred von Ardenne", in Dresden, which with over 500 employees became a unique institution in East Germany
Germany
as a leading research institute that was privately run. However it collapsed with substantial debts after German reunification
German reunification
in 1991 and re-emerged as Von Ardenne Anlagentechnik GmbH. Ardenne twice won the GDR's National Prize.[1] In 1957, Ardenne became a member of the "Forschungsrat" of the DDR. In that year, he developed an endoradiosonde for medical diagnostics. In 1958, he was awarded the "Nationalpreis" of the DDR; the same year he became a member of the "Friedensrat". In 1959, he received a patent for the electron-beam furnace he developed. In 1961, he was selected a chairman of the "Internationale Gesellschaft für medizinische Elektronik und biomedizinische Technik". From the 1960s, he expanded his medical research and became well known for his oxygen multi-step therapy and cancer multi-step therapy.[1][26][27][28] In 1963, Ardenne became president of the "Kulturbund" of the DDR. During the period 1963 to 1989, he was a delegate to the "Volkskammer" of the DDR, as well as a member of the "Kulturbund-Fraktion".[1] After the creation of the Dresden- Hamburg
Hamburg
city partnership (1987), Ardenne became an honorary citizen of Dresden
Dresden
in September 1989.[1] At the time of his death on 26 May 1997, Ardenne held around 600 patents.[29] In 2002 the German "Europäische Forschungsgesellschaft Dünne Schichten" ("European Thin-Film Research Society") named an annual prize in von Ardenne's honor.[30] Personal[edit] In 1937, Ardenne married Bettina Bergengruen; they had four children.[1] Honors[edit] Von Ardenne received many honors:[31]

3 July 1941 – Silver Leibniz Medal of the Prussian Academy of Sciences 2 January 1945 – Appointed to the Reichsforschungsrat 8 December 1947 – Stalin Prize
Stalin Prize
of the USSR 31 December 1953 – Stalin Prize
Stalin Prize
of the USSR 26 July 1955 – Member of the Physics
Physics
Section of the German Academy of Sciences 10 November 1955 – Member of the Wissenschaftlichen Rates für friedliche Anwendung der Atomenergie (Scientific Council for Peaceful Applications of Atomic Energy) of the Council of Ministers of the GDR 1 June 1956 – Honorary Professor[32] at the Technische Hochschule Dresden 15 July 1957 – Member of the Forschungsrates (Research Council) of the GDR 7 December 1957 – Ernst Moritz Arndt
Ernst Moritz Arndt
Medal 18 April 1958 – Peace Medal of the GDR 25 September 1958 – Honorary Doctorate of Natural Sciences from the Ernst Moritz Arndt
Ernst Moritz Arndt
University of Greifswald 7 October 1958 – National Prize, First Class 4 January 1959 – Grand Cross of Service Medal of the United Arab Republic 27 May 1961 – President of the Gesellschaft für biomedizinische Technik (Society for Biomedical Technology) 2 November 1962 – member of the Wissenschaftlichen Rates des Ministerium für Gesundheitswesen (Scientific Council of the Ministry for Health Service) of the GDR 7 October 1965 – National Prize, Second Class 15 December 1965 – Member of the International Astronautical Academy of Paris 12 May 1970 – Lenin Medal 29 October 1973 – Hans Bredow Medal 12 December 1978 – Honorary Doctor of Medicine of the Akademie Dresden 20 June 1979 – Honorary Member of the Forschungsrates of the GDR 1 December 1981 – Barkhausen Medal of the Technische Universität Dresden 20 January 1982 – Gold Patriotic Service Medal 22 September 1982 – Honorary Doctor of Education of the Pädagogische Hochschule Dresden*25 October 1983 – Honorary Member of the Gesellschaft für Ultraschalltechnik (Society for Ultrasonics) 19 February 1984 – Honorary Member of the Ärztegesellschaft für Sauerstoff-Mehrschritt-Therapie (Physicians Society for Oxygen Multi-step Therapy) 11 April 1986 – Wilhelm Ostwald
Wilhelm Ostwald
Medal of the Saxony Academy of Sciences 2 June 1986 – Richard Theile Medal of the German Television Technology Society 9 July 1986 – Ernst Abbe
Ernst Abbe
Medal of the Chamber of Technology of the GDR 24 April 1987 – Medal of the Art and Science Senate of Hamburg 15 May 1987 – Ernst Krokowski Prize of the Society for Biological Cancer Prevention 3 March 1988 – Ernst Haeckel
Ernst Haeckel
Medal of Urania 21 October 1988 – Gold Diesel Medal of Munich 25 November 1988 – Friedrich von Schiller Prize of Hamburg 26 September 1989 – Honorary Citizen of Dresden 15 July 1993 – Colani
Colani
Design France Prize

Books[edit]

Manfred von Ardenne
Manfred von Ardenne
Tabellen der Elektronenphysik, Ionenphysik und Übermikroskopie. Bd. 1. Hauptgebiete (VEB Dt. Verl. d. Wissenschaften, 1956) Manfred von Ardenne
Manfred von Ardenne
Tabellen zur angewandten Kernphysik (Dt. Verl. d. Wissensch., 1956) Manfred von Ardenne
Manfred von Ardenne
Eine glückliche Jugend im Zeichen der Technik (Kinderbuchverl., 1962) Manfred von Ardenne
Manfred von Ardenne
Eine glückliche Jugend im Zeichen der Technik (Urania-Verl., 1965) Manfred von Ardenne
Manfred von Ardenne
Ein glückliches Leben für Technik und Forschung (Suhrkamp Verlag KG, 1982) Manfred von Ardenne
Manfred von Ardenne
Sauerstoff- Mehrschritt- Therapie. Physiologische und technische Grundlagen (Thieme, 1987) Manfred von Ardenne
Manfred von Ardenne
Sechzig Jahre für Forschung und Fortschritt. Autobiographie (Verlag der Nation, 1987) Manfred von Ardenne
Manfred von Ardenne
Mein Leben für Forschung und Fortschritt (Ullstein, 1987) Siegfried Reball, Manfred von Ardenne, and Gerhard Musiol Effekte der Physik und ihre Anwendungen (Deutscher Verlag, 1989) Manfred von Ardenne, Gerhard Musiol, and Siegfried Reball Effekte der Physik und ihre Anwendungen (Deutsch, 1990) Manfred von Ardenne
Manfred von Ardenne
Die Erinnerungen (Herbig Verlag, 1990) Manfred von Ardenne
Manfred von Ardenne
Fernsehempfang: Bau und Betrieb einer Anlage zur Aufnahme des Ultrakurzwellen-Fernsehrundfunks mit Braunscher Röhre (Weidmannsche, 1992) Manfred von Ardenne
Manfred von Ardenne
Wegweisungen eines vom Optimismus geleiteten Lebens: Sammlung von Hinweisen, Lebenserfahrungen, Erkenntnissen, Aussprüchen und Aphorismen über sieben der Forschung gewidmeten Jahrzehnte (Verlag Kritische Wissensch., 1996) Manfred von Ardenne
Manfred von Ardenne
Erinnerungen, fortgeschrieben (Droste, 1997) Manfred von Ardenne, Alexander von Ardenne, and Christian Hecht Systemische Krebs-Mehrschritt-Therapie (Hippokrates, 1997) Manfred von Ardenne
Manfred von Ardenne
Gesundheit durch Sauerstoff- Mehrschritt- Therapie (Nymphenburger, 1998) Manfred von Ardenne
Manfred von Ardenne
Wo hilft Sauerstoff-Mehrschritt-Therapie? (Urban & Fischer Verlag, 1999) Manfred von Ardenne
Manfred von Ardenne
Arbeiten zur Elektronik. 1930, 1931, 1937, 1961, 1968 (Deutsch, 2001) Manfred von Ardenne
Manfred von Ardenne
Die physikalischen Grundlagen der Rundfunkanlagen (Funk Verlag, 2002) Manfred von Ardenne
Manfred von Ardenne
and Manfred Lotsch Ich bin ihnen begegnet (Droste, 2002) Manfred von Ardenne
Manfred von Ardenne
Des Funkbastlers erprobte Schaltungen: Reprint der Originalausgabe von 1926 (Funk Verlag, 2003) Manfred von Ardenne, Gerhard Musiol, and Siegfried Reball Effekte der Physik und ihre Anwendungen (Deutsch, 2003) Manfred von Ardenne
Manfred von Ardenne
Empfang auf kurzen Wellen - Möglichkeiten, Schaltungen und praktische Winke: Reprint der Originalausgabe von 1928 (Funk Verlag, 2005) Manfred von Ardenne, Gerhard Musiol, and Siegfried Reball Effekte der Physik und ihre Anwendungen (Deutsch, 2005) Manfred von Ardenne
Manfred von Ardenne
and Kurt Borchardt (editors) Handbuch der Funktechnik und ihrer Grenzgebiete (Franckh)

See also[edit]

Technische Hochschule Dresden Russian Alsos German inventors and discoverers

References[edit]

^ a b c d e f g h i j k l Ardenne – Deutsches Historisches Museum. ^ Ardenne[permanent dead link] – Journal of Microscopy. ^ sachen.de Archived 2008-03-25 at the Wayback Machine. - Zur Ehrung von Manfred von Ardenne. ^ von Ardenne, Manfred (1938). "Das Elektronen-Rastermikroskop. Theoretische Grundlagen". Zeitschrift für Physik (in German). 109 (9–10): 553–572. Bibcode:1938ZPhy..109..553V. doi:10.1007/BF01341584.  ^ von Ardenne, Manfred (1938). "Das Elektronen-Rastermikroskop. Praktische Ausführung". Zeitschrift für technische Physik (in German). 19: 407–416.  ^ Oleynikov, 2000, 6-7. ^ Hentschel, 1996, Appendix F; see entry for Ardenne. ^ "Cathode radio television sender on which Baron Manfred von Ardenne has been experimenting since 1928" (photo), The New York Times, August 16, 1931, p. XX8. ^ "Television at the Berlin Radio Exhibition", Television, October 1931, p. 310, 311, 318. ^ Albert Abramson, Zworykin: Pioneer of Television, University of Illinois Press, 1995, p. 111. ^ Von Ardenne - Dieter Wunderlich. ^ Heinemann-Grüder, 2002, 44. ^ Hentschel, 1996, Appendix F; see the entry for Thiessen. ^ Oleynikov, 2000, 5. ^ Institute A was used as the basis for the Sukhumi
Sukhumi
Physical-Technical Institute. See Oleynikov, 2000, 12. ^ a b Oleynikov, 2000, 11-12. ^ a b Naimark, 1995, 213. ^ Maddrell, 2006, 179-180. ^ Oleynikov, 2000, 10-11. ^ Topics assigned to Gustav Hertz's Institute G included: (1) Separation of isotopes by diffusion in a flow of inert gases, for which Gustav Hertz was the leader, (2) Development of a condensation pump, for which Justus Mühlenpfordt was the leader, (3) Design and build a mass spectrometer for determining the isotopic composition of uranium, for which Werner Schütze was the leader, (4) Development of frameless (ceramic) diffusion partitions for filters, for which Reinhold Reichmann was the leader, and (5) Development of a theory of stability and control of a diffusion cascade, for which Heinz Barwich was the leader. See Oleynikov, 2000, 12-13 and 18. Also see Kruglov, 2002, 131. ^ Today, NII-9 is the Bochvar All-Russian Scientific Research Institute of Inorganic Materials, Bochvar VNIINM. See Oleynikov, 2000, 4. ^ Oleynikov, 2000, 13. ^ Oleynikov, 2000, 11. ^ Riehl and Seitz, 1996, 33-34. ^ Oleynikov, 2000, 18. ^ Manfred von Ardenne
Manfred von Ardenne
Sauerstoff- Mehrschritt- Therapie. Physiologische und technische Grundlagen (Thieme, 1987) ^ Manfred von Ardenne, Alexander von Ardenne, and Christian Hecht Systemische Krebs-Mehrschritt-Therapie (Hippokrates, 1997). ^ sachsen.de Archived 2008-03-25 at the Wayback Machine. - Zur Ehrung von Manfred von Ardenne. ^ MDR Figaro - "Zum 100. Geburtstag von Manfred von Ardenne." ^ Manfred-von-Ardenne-Preis at EFDS. ^ Manfred von Ardenne
Manfred von Ardenne
Erinnerungen, fortgeschrieben. Ein Forscherleben im Jahrhundert des Wandels der Wissenschaften und politischen Systeme 588-589 (Droste, 1997). ^ An honorary professor has the authority to teach, but is not compelled to teach.

Bibliography[edit]

Albrecht, Ulrich, Andreas Heinemann-Grüder, and Arend Wellmann Die Spezialisten: Deutsche Naturwissenschaftler und Techniker in der Sowjetunion nach 1945 (Dietz, 1992, 2001) ISBN 3-320-01788-8 Barkleit, Gerhard Manfred von Ardenne. Selbstverwirklichung im Jahrhundert der Diktaturen (Duncker & Humblot, 2006) Barwich, Heinz and Elfi Barwich Das rote Atom (Fischer-TB.-Vlg., 1984) Beneke, Klaus Die Kolloidwissenschaftler Peter Adolf Thiessen, Gerhart Jander, Robert Havemann, Hans Witzmann und ihre Zeit (Knof, 2000) Heinemann-Grüder, Andreas Die sowjetische Atombombe (Westfaelisches Dampfboot, 1992) Heinemann-Grüder, Andreas Keinerlei Untergang: German Armaments Engineers during the Second World War and in the Service of the Victorious Powers in Monika Renneberg and Mark Walker (editors) Science, Technology and National Socialism 30-50 (Cambridge, 2002 paperback edition) ISBN 0-521-52860-7 Hentschel, Klaus (editor) and Ann M. Hentschel (editorial assistant and translator) Physics
Physics
and National Socialism: An Anthology of Primary Sources (Birkhäuser, 1996) ISBN 0-8176-5312-0 Herbst, Wilhelm Manfred von Ardenne
Manfred von Ardenne
- Eine Anthologie -: Auswahl-Dokumentation historischer Fachartikel 1925-1938 (Funk Verlag, 2007) Holloway, David Stalin and the Bomb: The Soviet Union
Soviet Union
and Atomic Energy 1939–1956 (Yale, 1994) ISBN 0-300-06056-4 Kruglov, Arkadii The History of the Soviet Atomic Industry (Taylor and Francis, 2002) Maddrell, Paul "Spying on Science: Western Intelligence in Divided Germany
Germany
1945–1961" (Oxford, 2006) ISBN 0-19-926750-2 Naimark, Norman M. The Russians in Germany: A History of the Soviet Zone of Occupation, 1945-1949 (Hardcover — Aug 11, 1995) Belknap Oleynikov, Pavel V. German Scientists in the Soviet Atomic Project, The Nonproliferation Review Volume 7, Number 2, 1 – 30 (2000). The author has been a group leader at the Institute of Technical Physics of the Russian Federal Nuclear Center in Snezhinsk
Snezhinsk
(Chelyabinsk-70). Riehl, Nikolaus and Frederick Seitz
Frederick Seitz
Stalin's Captive: Nikolaus Riehl and the Soviet Race for the Bomb (American Chemical Society and the Chemical Heritage Foundations, 1996) ISBN 0-8412-3310-1. This book is a translation of Nikolaus Riehl's book Zehn Jahre im goldenen Käfig (Ten Years in a Golden Cage) (Riederer-Verlag, 1988); Seitz has written a lengthy introduction to the book. This book is a treasure trove with its 58 photographs. Schaaf, Michael Wir haben die russische Atombombe beschleunigt (We accelerated the building of the Russian atomic bomb) Interview with Manfred von Ardenne, in: Heisenberg, Hitler und die Bombe - Gespräche mit Zeitzeugen (GNT Verlag, Berlin 2001)

External links[edit]

aerzteblatt.de - Krebsforschung: Scheitern eines innovativen Ansatzes Experimental Oncology – To the 100 Birthday of M. von Ardenne Frontal21 Interview - Der Historiker Dr. Rainer Karlsch über den Atomphysiker Ardenne Literatur von und über Manfred von Ardenne
Manfred von Ardenne
im Katalog der Deutschen Nationalbibliothek MDR Figaro - Zum 100. Geburtstag von Manfred von Ardenne Oleynikov, Pavel V. German Scientists in the Soviet Atomic Project, The Nonproliferation Review Volume 7, Number 2, 1 – 30 (2000). sachen.de - Zur Ehrung von Manfred von Ardenne Von Ardenne – Deutsches Historisches Museum Von Ardenne - Dieter Wunderlich Von Ardenne[permanent dead link] – Journal of Microscopy von Ardenne – Sächsische Biografie Biography – Von Ardenne biography on official VON ARDENNE Corporate Website.

Authority control

WorldCat Identities VIAF: 40169486 LCCN: n80113285 ISNI: 0000 0001 1057 8680 GND: 11850388X SUDOC: 09770086X BNF: cb12716449r (data) NDL: 00549

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