doctoral_advisor death_place death_date birth_place field birth_date doctoral_students article_title name
hermann von helmholtz breslau , lower silesia , prussia 05 july 1925 gera , germany physics 17 july 1860 george ernest gibson otto lummer
 otto lummer
otto lummer

otto richard lummer -lrb- july 17 , 1860 -- july 5 , 1925 -rrb- was a german physicist and researcher .
he was born in the city of gera , germany .
with leon arons , lummer helped to design and build the arons -- lummer mercury-vapor lamp .
lummer primarily worked in the field of optics and thermal radiation .
lummer 's findings , along with others , on black body radiators led max planck to reconcile his earlier planck 's law of black-body radiation by introducing the quantum hypothesis in 1900 .
lummer died in breslau .
