Stefan Pieńkowski
Stefan Pieńkowski (28 July 1883 – 20 November 1953) is a Polish physicist and university teacher. He was born in Młynów, Łódź Voivodeship. He died in Warsaw.
His employers include University of Warsaw. Awards received include Commander with Star of the Order of Polonia Restituta, Work Flag Order, 1st class, Commander of the Order of Polonia Restituta, and Officer of the Order of Polonia Restituta.