Janusz Różycki (born 10 May 1939) is a Polish fencer. He won a silver medal in the team

foil Foil may refer to: Materials * Foil (metal), a quite thin sheet of metal, usually manufactured with a rolling mill machine * Metal leaf, a very thin sheet of decorative metal * Aluminium foil, a type of wrapping for food * Tin foil, metal foil ma ...

event at the

1964 Summer Olympics The , officially the and commonly known as Tokyo 1964 (), were an international multi-sport event held from 10 to 24 October 1964 in Tokyo, Japan. Tokyo had been awarded the organization of the 1940 Summer Olympics, but this honor was subseq ...

. He is the son of

Jerzy Różycki Jerzy Witold Różycki (; 24 July 1909 – 9 January 1942) was a Polish mathematician and cryptologist who worked at breaking German Enigma-machine ciphers before and during World War II. Life Różycki was born in what is now Ukraine, the fou ...

, one of the three Polish mathematicians who worked on Enigma

decryption In cryptography, encryption (more specifically, encoding) is the process of transforming information in a way that, ideally, only authorized parties can decode. This process converts the original representation of the information, known as plai ...

from December 1932 through at least the

Phoney War The Phoney War (; ; ) was an eight-month period at the outset of World War II during which there were virtually no Allied military land operations on the Western Front from roughly September 1939 to May 1940. World War II began on 3 Septembe ...

(1940).

References

1939 births Living people Polish male fencers Olympic fencers for Poland Fencers at the 1960 Summer Olympics Fencers at the 1964 Summer Olympics Olympic silver medalists for Poland Olympic medalists in fencing Fencers from Warsaw Medalists at the 1964 Summer Olympics 20th-century Polish sportsmen {{Poland-fencing-bio-stub