For three decades the Windrush was the maritime Zelig of the 20th century. Designed in 1930 in the Hamburg boatyard of a Jewish shipbuilder to ferry Germans to a new life in South America, it wasn't long before Goebbels requisitioned her. She became a Nazi troop carrier, a support vessel for the pocket battleship Tirpitz, and a prison ship transporting Jews to Auschwitz. Captured by the British in 1945 and renamed the SS Empire Windrush,...