2021 Relativity
2021 Relativity
Hendrikus Harmens de Vries(18 May 1872 - 29 May 1947)
Trijntje Riemers Riemersma(18 Oct 1875 - 4 Aug 1923)
Harmen de Vries
b. 6 Apr 1913, Suameer, Friesland
d. 1 Oct 1955, Suameer, Friesland
updated 3/27/21
copyright 2021 Jean Wisner Dupon