PERSON@1 -LRB- June NUMBER@1 NUMBER@2 -- January NUMBER@3 NUMBER@4 -RRB- was a MISC@1 mathematician of MISC@2 and MISC@3 descent , who created and developed the geometry of numbers and who used geometrical methods to solve difficult problems in number theory , mathematical physics , and the theory of relativity .

PERSON@1 -LRB- June NUMBER@1 , NUMBER@2 -- January NUMBER@3 , NUMBER@4 in LOCATION@1 -RRB- was a MISC@1 mathematician .
