Marietta Blau at the Institute for Radium Research in Vienna, circa 1925 Nuclear physicist Marietta Blau (1894-1970) appears here at the Institute for Radium Research in Vienna, about the year 1925. Institution: Agnes Rodhe. Print Full Image Date / time c. 1925 Owner Rodhe, Agnes Related contentBlog: Friday Social Media BliNtz (Week 2)Encyclopedia Article: Marietta Blau