Karol Olszewski

Karol Olszewski
Karol Olszewski
Born
Karol Stanisław Olszewski

(1846-01-29)29 January 1846
Died24 March 1915(1915-03-24) (aged 69)
NationalityPolish
EducationJagiellonian University in Kraków
Heidelberg University PhD
OccupationScientist
Known forFirst to liquefy oxygen and nitrogen.
First Polish X-ray Photographs
TitleProfessor

Karol Stanisław Olszewski (Polish pronunciation: [ˈkarɔl ɔlˈʂɛfskʲi]; 29 January 1846 24 March 1915) was a Polish chemist, mathematician, and physicist. Together with Zygmunt Wróblewski, in 1883 he was the first scientist in the world to liquify oxygen and nitrogen.