2021 Relativity
2021 Relativity
Antoni Kopycinski(30 Aug 1875 - 13 May 1957)
Alexandra Sucharzewska(1886 - 6 Oct 1953)
Leon Kopycinski
b. 14 Aug 1914, Jersey City, NJ
d. 3 Jun 1975
updated 3/27/21
copyright 2021 Jean Wisner Dupon