PERSON@1 -LRB- NUMBER@1 September NUMBER@2 -- NUMBER@3 November NUMBER@4 -RRB- was an MISC@1 physicist most noted for his work on the development of the first nuclear reactor , and for his contributions to the development of quantum theory , nuclear and particle physics , and statistical mechanics .

PERSON@1 -LRB- September NUMBER@1 , NUMBER@2 -- November NUMBER@3 , NUMBER@4 -RRB- was an MISC@1 physicist who worked on the first nuclear reactor and helped make quantum theory .
