Arvid Carlsson
Arvid Carlsson ( 25 January 1923 – 29 June 2018 ) was a Swedish neuropharmacologist who is best known for his work with the neurotransmitter dopamine and its effects in Parkinson's disease . 
<triplet> Arvid Carlsson <subj> 25 January 1923 <obj> date of birth <subj> 29 June 2018 <obj> date of death <triplet> dopamine <subj> neurotransmitter <obj> instance of