Un tributo .... sui generis ....
From left: astronauts Sergey Ryazansky, Oleg Kotov, Luca Parmitano, Karen Nyberg, Fyodor Yurchikhin and Mike Hopkins pay tribute to Albert Einstein from the International Space Station shortly after ESA’s Automated Transfer Vehicle Albert Einstein undocked.
The Expedition 37 crew are imitating the photo taken on Einstein’s 72nd birthday in 1951, by United Press International photographer Arthur Sasse.
Fonte .... http://spaceinimages.esa.int/Images/2013/10/A_tribute_to_Albert_Einstein