Twelve of the fifteen Nobel Laureates of 2019 assembled at the Nobel Foundation in Stockholm on 12 December 2019. Back row: James Peebles, Abhijit Banerjee, Didier Queloz, Michael Kremer, William G. Kaelin Jr and Sir Peter J. Ratcliffe. Front row: Olga Tokarczuk, Akira Yoshino, Esther Duflo, M. Stanley Whittingham, Gregg L. Semenza and Michel Mayor.
Nobel Laureates in Physics, Didier Queloz and Michel Mayor, and the Nobel Laureate in Chemistry, Stanley Whittingham in a talk to astronauts on the
International Space Station Luca Parmitano and Jessica Meir on 6 December at the Nobel Prize Museum in Stockholm.