Giorgio Parisi, Antonella Polimeni, Maria Cristina Messa

Italian theoretical physicist and professor Giorgio Parisi, center, at the Sapienza University, waves with the Italian Minister of University and Research Maria Cristina Messa, left, and the Magnificent Rector Antonella Polimeni, right, in Rome, Tuesday, Oct. 5, 2021. Parisi was awarded the 2021 Nobel Prize for Physics for "the discovery of the interplay of disorder and fluctuations in physical systems from atomic to planetary scales." Syukuro Manabe and Klaus Hasselmann were cited for their work in "the physical modeling of Earth's climate, quantifying variability and reliably predicting global warming". (Cecilia Fabiano/La Presse via AP)