André-Marie Ampère FRS -LRB- NUMBER@1 January NUMBER@2 NUMBER@3 June NUMBER@4 -RRB- , was a MISC@1 physicist and mathematician who is generally regarded as one of the main discoverers of electromagnetism .

PERSON@1 -LRB- January NUMBER@1 , NUMBER@2 -- June NUMBER@3 , NUMBER@4 -RRB- was a MISC@1 physicist and mathematician who helped discover electromagnetism .
