Births on May 25

John Ffowcs Williams

Born on May 25, 1935

John Ffowcs Williams, Welsh engineer and academic

John "Shôn" Eirwyn Ffowcs Williams (1935–2020) was Emeritus Rank Professor of Engineering at the University of Cambridge and a former Master of Emmanuel College, Cambridge (1996–2002). He may be best known for his contributions to aeroacoustics, in particular for his work on Concorde. Together with one of his students, David Hawkings, he introduced the far-field integration method in computational aeroacoustics based on Lighthill's acoustic analogy, known as the Ffowcs Williams–Hawkings analogy.Ffowcs was elected as a member into the National Academy of Engineering in 1995 for contributions to the theory of jet noise, and other aspects of aeroacoustics and hydrodynamics.

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John Ffowcs Williams

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Events on 1935

26 Feb

Treaty of Versailles
Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
16 Mar

Treaty of Versailles
Adolf Hitler orders Germany to rearm herself in violation of the Treaty of Versailles. Conscription is reintroduced to form the Wehrmacht.
25 May

Big Ten Conference
Jesse Owens of Ohio State University breaks three world records and ties a fourth at the Big Ten Conference Track and Field Championships in Ann Arbor, Michigan.
25 Jun

Soviet Union
Diplomatic relations between the Soviet Union and Colombia are established.
15 Sep

Swastika
Nazi Germany adopts a new national flag bearing the swastika.

Births on May 25

John Ffowcs Williams

Born on May 25, 1935

References

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Events on 1935

Treaty of Versailles

Treaty of Versailles

Big Ten Conference

Soviet Union

Swastika