2021 Relativity
2021 Relativity
Julian Umiński(9 Jan 1863 - 29 Dec 1930)
Bronislawa Kokoszczyńska(1 Oct 1865 - 1943)
Jan Umiński
b. 1904
d. 1970
updated 3/27/21
copyright 2021 Jean Wisner Dupon