ヴィルヘルム・オストヴァルト
Bredig spent the next year and a half doing postdoctoral work at the laboratories of J. H. van't Hoff in Amsterdam, M. Berthelot in Paris and S. Arrhenius in Stockholm. In autumn 1895, he returned to the University of Leipzig as an assistant to Wilhelm Ostwald. The two men had much in common, including interests in pacifism and internationalism.