In December last year, he was formally presented with a gold medal specially struck to commemorate the fiftieth anniversary of his election to the academy, and tributes were paid to him by scientists all over the world.
Noong Disyembre ng nakaraang taon, siya ay pormal na itinanghal sa isang gintong medalya lalo na Struck upang ipagunita ang limampu anibersaryo ng kanyang mga halalan sa academy, at tributes ay binayaran sa kanya ng mga siyentipiko sa buong mundo.