Inyang 1913, mekiabe ya keng bayung lalang a Laboratory para Radioactivity king Reich Physical ampong Technical Institute (PTR), nung nu menatili ya anggang 1930, king tauling banua bilang director ning laboratoriu. Sinuyu ya keng military inyang Mumunang Pangyatung Guerra I maniabt 1914 at kilung de reng Russians, mibalik ya Germany inyang 1920.