<nowiki>Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; Klaus Krug; chimiste allemand; tysk professor; Duits scheikundige; deutscher Chemiker, Wissenschaftshistoriker und Professor; professor académico alemão; German chemist and university teacher; كيميائي ألماني; tysk professor; Germany karimba ŋun nyɛ doo</nowiki>