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Antonio Ferri (5 April 1912 - 28 December 1975) was an Italian scientist, prominent in the field of aerodynamics, with a specialization in hypersonic and supersonic flight.

Born in 1912 in Norcia, Italy, from 1937 he conducted research in Guidonia Montecelio, where the most prominent and advanced research on high-speed aerodynamics was taking place. Among the work he conducted there were spectacular experiments in 1939–1940 with supersonic wind tunnels.

During World War II, in the period of the Italian Social Republic (or Salò Republic), three days after the Germans occupied Rome on September 10, 1943, Ferri bluffed his way back into the facility at Guidonia, destroyed equipment, filled a trunk with documents, secluded his wife and family near his family home in the Apennine Mountains (from which they later moved on to an Adriatic fishing village), and took to the hills with an anti-Fascist guerrilla band.[1] He eventually made his way to Rome after it was liberated by the Allies, where he made contact with OSS agent Moe Berg 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.[2]

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 in Langley, Virginia, 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 Flow Visualization method of predicting the impact of shock waves 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 engines. He also conducted important studies in the fields of supersonic combustion and aerodynamic heating of high speed aircraft. In all these areas, he made key contributions to the advancement of aerospace engineering.

Ferri died in 1975 on Long Island, New York, USA.


  1. ^ Dawidoff 1994, p. 185.
  2. ^ Dawidoff 1994, p. 186.


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