For the first time since the start of the Covid-19 pandemic, Nobel Prizes were awarded in a grand in-person ceremony in Stockholm, Sweden. Among those honored on Saturday were a number of laureates with ties to MIT — including this year’s winners as well as winners from 2020 and 2021, who were not able to experience the traditional Nobel celebration due to Covid-19 precautions. New winners received their medals from King Carl XVI Gustaf of Sweden. They include Ben Bernanke PhD ’79, an economist who was awarded a share of…