Karol Olszewski, Polish chemist, mathematician and physicist (died 1915)

Karol Olszewski

Karol Stanisław Olszewski 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.

January 29

Day of the year

January 29 is the 29th day of the year in the Gregorian calendar; 336 days remain until the end of the year.