Stefan Kaczmarz

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Stefan Kaczmarz (born 1895 in Sambor, Galicia, Austria-Hungary (now Ukraine) - 1939) was a Polish mathematician. His Kaczmarz method provided the basis for many modern imaging technologies, including the CAT scan.

Kaczmarz was an adjunct professor of mechanics at the Lwow Polytechnic where he collaborated with Stefan Banach.

Some sources claim that Kaczmarz, along with many other members of the Polish intelligentsia, was rounded up by the NKVD after the Soviet invasion of Poland in 1939. Allegedly he, and others who were declared to be the enemies of the Soviet regime, were murdered by the NKVD on orders from the Politburo in 1940 in the Katyń massacre. However, the Polish version of Wikipedia claims that Kaczmarz was not found in any Katyn lists and that he could be killed during combat operations as a porucznik (lieutenant) of Polish Army near Warsaw. Exact place and date of his death are unknown.

External links

Authority control	WorldCat VIAF: 52706529 LCCN: no2010081729 ISNI: 0000 0001 2211 0938 GND: 127265902 SUDOC: 102440018 MGP: 106876

Persondata
Name	Kaczmarz, Stefan
Alternative names
Short description	Polish mathematician
Date of birth	1895
Place of birth
Date of death	1939
Place of death

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