Winners in six categories for the Nobel Prize were awarded in 2020. The winners included Roger Penrose, Reinhard Genzel and Andrea Ghez (physics); Emmanuelle Charpentier and Jennifer A. Doudna (chemistry); Harvey J. Alter, Michael Houghton and Charles M. Rice (medicine); Louise Gluck (literature); World Food Programme (peace prize); and Paul R. Milgrom and Robert B. Wilson (economics).