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Births on May 25

John Ffowcs Williams
1935May, 25

John Ffowcs Williams

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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Events on 1935

  • 26Feb

    Treaty of Versailles

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

    Treaty of Versailles

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

    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.
  • 25Jun

    Soviet Union

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

    Swastika

    Nazi Germany adopts a new national flag bearing the swastika.