Antonio Ferri
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Antonio Ferri (5 April 1912 – 28 December 1975) was an Italian scientist, prominent in the field of
aerodynamics Aerodynamics, from grc, ἀήρ ''aero'' (air) + grc, δυναμική (dynamics), is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing. It involves topics covered in the field of fluid dyn ...
, with a specialization in
hypersonic In aerodynamics, a hypersonic speed is one that exceeds 5 times the speed of sound, often stated as starting at speeds of Mach 5 and above. The precise Mach number at which a craft can be said to be flying at hypersonic speed varies, since in ...
and supersonic flight. Born in 1912 in
Norcia Norcia (), traditionally known in English by its Latin name of Nursia (), is a town and comune in the province of Perugia (Italy) in southeastern Umbria. Unlike many ancient towns, it is located in a wide plain abutting the Monti Sibillini, a su ...
, Italy, from 1937 he conducted research in
Guidonia Montecelio Guidonia Montecelio (), commonly known as Guidonia, is a town and ''comune'' in the Metropolitan City of Rome Capital, Lazio, central Italy. Geography The municipality of Guidonia Montecelio, formed by the main towns of Guidonia and Montecelio, l ...
, where the most prominent and advanced research on high-speed aerodynamics was taking place. In 1938, at the age of 26, he received Italy's highest prize for science, the ''Premio dell'Accademia d'Italia'' for science. Among the work he conducted there were spectacular experiments in 1939–1940 with supersonic wind tunnels. During
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, in the period of the
Italian Social Republic The Italian Social Republic ( it, Repubblica Sociale Italiana, ; RSI), known as the National Republican State of Italy ( it, Stato Nazionale Repubblicano d'Italia, SNRI) prior to December 1943 but more popularly known as the Republic of Salò ...
(or Salò Republic), three days after the
Germans , native_name_lang = de , region1 = , pop1 = 72,650,269 , region2 = , pop2 = 534,000 , region3 = , pop3 = 157,000 3,322,405 , region4 = , pop4 = ...
occupied
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
on 10 September 1943, Ferri bluffed his way back into the research facility at Guidonia, destroyed the vital equipment and filled a fruit crate with documents of his research before escaping underground. He secluded his wife and family near his home in
Fiastra Fiastra is a ''comune'' (municipality) in the Province of Macerata in the Italian region Marche, located about southwest of Ancona and about southwest of Macerata. Fiastra borders the following municipalities: Camerino, Cessapalombo, Fiordimont ...
, in the
Marche Marche ( , ) is one of the twenty regions of Italy. In English, the region is sometimes referred to as The Marches ( ). The region is located in the central area of the country, bordered by Emilia-Romagna and the republic of San Marino to the ...
region In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...
of the
Apennine Mountains The Apennines or Apennine Mountains (; grc-gre, links=no, Ἀπέννινα ὄρη or Ἀπέννινον ὄρος; la, Appenninus or  – a singular with plural meaning;''Apenninus'' (Greek or ) has the form of an adjective, which wou ...
(they later were moved on to an
Adriatic The Adriatic Sea () is a body of water separating the Italian Peninsula from the Balkans, Balkan Peninsula. The Adriatic is the northernmost arm of the Mediterranean Sea, extending from the Strait of Otranto (where it connects to the Ionian Sea) ...
fishing village), and in October 1943, organized with his brother, Giuseppe Ferri, the ''Banda Fiastra'' band of partisans. For the next year he coordinated attacks of the regions anti-fascist bands using the Valle del Fiastrone iastra Valleyas a safe haven to return to and to receive Allied air drops. He eventually made his way to
Rome , established_title = Founded , established_date = 753 BC , founder = King Romulus (legendary) , image_map = Map of comune of Rome (metropolitan city of Capital Rome, region Lazio, Italy).svg , map_caption ...
after it was liberated by the
Allies An alliance is a relationship among people, groups, or states that have joined together for mutual benefit or to achieve some common purpose, whether or not explicit agreement has been worked out among them. Members of an alliance are called ...
, where he made contact with OSS agent
Moe Berg Morris Berg (March 2, 1902 – May 29, 1972) was an American catcher and coach in Major League Baseball, who later served as a spy for the Office of Strategic Services during World War II. Although he played 15 seasons in the major leagues, ...
and began to work with him translating key documents from the trunk, also passing on his knowledge of the achievements of German science during the war. The facilities at Guidonia were destroyed in the course of the fighting. In 1944, Ferri was brought to the leading American research center in his field, the
National Advisory Committee for Aeronautics The National Advisory Committee for Aeronautics (NACA) was a United States federal agency founded on March 3, 1915, to undertake, promote, and institutionalize aeronautical research. On October 1, 1958, the agency was dissolved and its assets ...
in
Langley, Virginia Langley is an unincorporated community in the census-designated place of McLean in Fairfax County, Virginia, United States. Langley is often used as a metonym for the Central Intelligence Agency (CIA), as it is home to its headquarters, the Geo ...
, where he continued as a major figure in his field. In the immediate postwar period, he studied the use of a biconvex wing profile for high-speed aircraft and developed the
Schlieren Schlieren ( ; , ) are optical inhomogeneities in transparent media that are not necessarily visible to the human eye. Schlieren physics developed out of the need to produce high-quality lenses devoid of such inhomogeneities. These inhomogeneiti ...
Flow Visualization method of predicting the impact of
shock wave In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium. Like an ordinary wave, a shock wave carries energy and can propagate through a med ...
s on aircraft wings. He then turned at length to the problem of atmospheric reentry, hypersonic thermofluid dynamics, as applied to the study of supersonic and hypersonic
jet engine A jet engine is a type of reaction engine discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. While this broad definition can include rocket, Pump-jet, water jet, and hybrid propulsion, the term ...
s. He also conducted important studies in the fields of supersonic combustion and
aerodynamic heating Aerodynamic heating is the heating of a solid body produced by its high-speed passage through air. In science and engineering, an understanding of aerodynamic heating is necessary for predicting the behaviour of meteoroids which enter the earth's ...
of high speed aircraft. In all these areas, he made key contributions to the advancement of aerospace engineering. In 1956 he founded the
General Applied Science Laboratory General Applied Science Laboratory (GASL) is an American aerospace company, known as a pioneer of hypersonic propulsion. Description General Applied Science Laboratory was founded in 1956 by Antonio Ferri and became a developer and testing house f ...
. Ferri died in 1975 on
Long Island Long Island is a densely populated island in the southeastern region of the U.S. state of New York (state), New York, part of the New York metropolitan area. With over 8 million people, Long Island is the most populous island in the United Sta ...
, New York, United States.


References

5. Giuseppe Ciampaglia, Come ebbe effettivo inizio a Roma l'Operazione Paperclip (Strenna dei Romanisti 2005), Roma, RomaAmor, 2005 6. Giuseppe Ciampaglia, La Propulsione a Reazione in Italia dalle Origini al 1943, Roma, Ufficio Storico Aeronautica Militare Italiana, 2002. * This article draws heavily on the article of the same name in the
Italian Wikipedia The Italian Wikipedia ( it, Wikipedia in italiano) is the Italian-language edition of Wikipedia. This edition was created on May 11, 2001 and first edited on June 11, 2001. As of , , it has articles and more than registered accounts. It is t ...
. {{DEFAULTSORT:Ferri, Antonio 1912 births 1975 deaths People from Norcia Italian aerospace engineers Fluid dynamicists Italian resistance movement members Polytechnic Institute of New York University alumni Polytechnic Institute of New York University faculty Fellows of the American Physical Society