When the endowment had lost its value due to inflation after World War I, the family transferred the necessary sum yearly to the Austrian Academy of Sciences. But since the family was persecuted by the National Socialists, the prize was discontinued after the German Anschluss of Austria in 1938.
This situation arose when the endowment's value plummeted following World War I due to inflation. In response, the family made annual donations to the Austrian Academy of Sciences. However, their efforts were thwarted by persecution from the National Socialists, leading to the prize's discontinuation after Austria's annexation by Germany in 1938.