AUTHOR=Olive Daniel , Vivier Eric , Romagnani Chiara TITLE=Editorial: In Memoriam of Professor Alessandro Moretta JOURNAL=Frontiers in Immunology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2020.00439 DOI=10.3389/fimmu.2020.00439 ISSN=1664-3224