The Nobel Prize in Physiology or Medicine 2020 has been awarded jointly to ______.
1. Abhijit Banerjee, Esther Duflo and Michael Kremer
2. Vitaly L Ginzburg, Karl von Frisch and Willard S Boyle
3. John B Goodenough, Leonid Hurwicz and Doris Lessing
4. Harvey J Alter, Michael Houghton and Charles M Rice