english: It wasn't Einstein who realized this, it was Karl Schwarzschild who was a German Jew in World War I -- joined the German army already an accomplished scientist, working on the Russian front.
non_english: Ajnštajn to nije otkrio, to je otkrio Karl Švarcšild nemački jevrej u I Svetskom ratu -- koji se priključio nemačkoj vojsci kao već ostvareni naučnik, radeći na ruskom frontu.