Career
Daringly, working as staff photographer Ross also documented Nazi atrocities (such as public hangings) while remaining officially in the good graces of the German occupational administration. His unofficial images covered scenes from daily life, communal celebrations, children digging for scraps of food and large groups of Jews being led to deportation and being loaded into box cars. As the ghetto was being liquidated in the Fall of 1944, Ross buried his photos and negatives in a box, hoping they might survive as an historical record.
He was able to dig up the box in January 1945, after the Red Army liberated Poland.
However much of his material was damaged or destroyed by water and only about half of his 6,000 images survived. Ross later testified during the 1961 trial of Adolf Eichmann.