Facts: - death place: vienna , austria - known for: radon measure radon 's theorem radon transform -- hurwitz number radon -- nikodym theorem radon - caption: johann radon about 1920 - work institutions: university germany university of greifswald , germany university of erlangen , of germany university of breslau , germany -lrb- now university of vienna wrocaw , poland -rrb- , austria university of hamburg , - death date: 25 may 1956 - field: mathematics - doctoral advisor: gustav ritter von escherich - spouse: maria rigele -lrb- m. married 1916 -rrb- - children: brigitte bukovics -lrb- b. born 1924 -rrb- - birth date: 16 december 1887 - name: johann radon - image size: 225px - nationality: austrian - image: johann radon.png - birth place: decin , bohemia , austria-hungary - alma mater: university of vienna , austria Based on these bullet points, write a short biography describing the life of johann radon .
A:
johann karl august radon -lrb- 16 december 1887 -- 25 may 1956 -rrb- was an austrian mathematician .his doctoral dissertation was on the calculus of variations -lrb- in 1910 , at the university of vienna -rrb- .