2021 Relativity
2021 Relativity
Mateusz Wisniewski(10 Aug 1856 - 28 Aug 1921)
Jozefa Zientarska(1860 - 8 Jun 1942)
Waclaw Wisniewski
Mary Brzoski
b. 12 Aug 1879, Wluku Maly, Sierpc, Poland
d. 21 May 1952, Pittsburgh, PA
b. 2 Oct 1886, Poland
d. 4 Jul 1952