Horst "Schimmi" Szymaniak (born 29 August 1934 in Oer-Erkenschwick – died 9 October 2009 in Melle) was a former German football player.
Ruthenium oxide (RuO2) shows some of the best performance as an OER material in acidic environments.
There is also a tension between entities which find value in quantifying usage of OER and those which see such metrics as themselves being irrelevant to free and open resources.
Theobald Reinhold Freiherr von Oer (9 October 1807 – 1885 in Coswig) was a German painter, illustrator and etcher.