“[…] and the sailing boat that I’ve been given by the high finance! You will go into raptures when you (hopefully) visit me next year.” Albert Einstein to his sister Maja, 1929 Albert Einstein’s “Tümmler” (porpoise) In August 1929 Elsa Einstein wrote in a letter from Caputh to Einstein’s sister Maja: “[…] Our ship is … Continue reading “Tümmler”