Sir PERSON@1 , ORGANIZATION@1 , FRS -LRB- NUMBER@1 February NUMBER@2 NUMBER@3 May NUMBER@4 -RRB- was an MISC@1 astronomer best known for his pioneering work in astronomical spectroscopy .

Sir PERSON@1 , -LRB- NUMBER@1 February NUMBER@2 NUMBER@3 May NUMBER@4 -RRB- was an MISC@1 astronomer best known for his work in astronomical spectroscopy .
