🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiSvenskaРусскийالعربيةEntityQ70803· pop 10· linked from 17 articlesWalter NicolaiGerman intelligence officer (1873-1947)ConnectionsWorld War IConceptMoscowCityBerlinCategories1873 births1947 deathsGerman Army personnel of World War IGerman Fatherland Party politiciansGerman people who died in Soviet detentionMilitary personnel from BraunschweigPeople from the Duchy of BrunswickSoviet rehabilitationsSpymastersWorld War I spies for Germany