sentences:  After having obtained the general certificate of education from the girls' high school run by the Association for the Extended Education of Women, she studied physics and mathematics at the University of Vienna from 1914 to 1918; her PhD graduation was in March 1919.Blau is credited with developing (photographic) nuclear emulsions that were usefully able to image and accurately measure high energy nuclear particles and events.Additionally, this established a method to accurately study reactions caused by cosmic ray events.