A. Napoleone Ferrara
B. Arthur L. Horwich
C. David Julius and Ardem Patapoutian
D. Sir Martin Evans and John Sulston
Explanation:
The Nobel Assembly at Karolinska Institutet has today decided to award the 2021 Nobel Prize in Physiology or Medicine jointly to David Julius and Ardem Patapoutian for their discoveries of receptors for temperature and touch