Zsigmondy Zsigmondy /ˈzɪgmɔːndi/

noun

1. German chemist (born in Austria) honored for his research on colloidal solutions (1865-1929)  ( Richard Adolph Zsigmondy , Zsigmondy , Richard Adolf Zsigmondy )
   German chemist (born in Austria) honored for his research on colloidal solutions (1865-1929)