Guy Gibson (centre) was posted on 21 March 1943 to command the newly-formed No. 617 Squadron RAF at Scampton, Lincolnshire
617 Squadron practise dropping the 'Upkeep' weapon at Reculver bombing range. Dr Barnes Wallis is on the extreme left of the group.
Wing Commander Guy Gibson (in door of aircraft) and his crew board their Avro Lancaster bomber for No. 617 Squadron's raid on the Ruhr Dams, 16 May 1943.
Aerial reconnaissance (vertical) photograph showing the breach in the Mohne Dam caused by No 617 Squadron, Royal Air Force's raid on 16 May 1943.
Surviving members of 617 Squadron (except those who had gone to bed) stand at the entrance of the Officers' Mess at Scampton, Lincolnshire, after breakfast
Bishop Von Galen, the Bishop of Münster in Germany, preached several sermons in 1941 against the Nazi regime's 'Euthanasia programme'. The Hadamar 'sanatorium' was one of a number of institutions where the systematic killing of mentally ill and disabled children and adults took place.
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The Nazi regime restricted people’s rights and tried to silence all criticism. Arrests and disappearances were frequent, and law courts - when they operated - imposed severe penalties on those who spoke out of turn. As the Nazis’ persecution of Jews and other groups intensified, some individuals condemned what was happening. They acted at great personal risk and many were imprisoned and even executed.
The Bishop of Munster, Clemens von Galen, was a rare example of a churchman who spoke out. He preached from his pulpit against the Nazi policy of so-called 'euthanasia', which saw the murder, in Germany’s hospitals, of the mentally ill and disabled.
In Nazi-occupied Poland, Photographer Jerzy Tomaszewski helped underground resisters who brought evidence of Nazi crimes to London, where it was published and where campaigners tried to warn of the crimes being committed in Germany’s name.
A handful of diplomats played an honourable role in trying to save Jews. Towards the end of the war, Swedish diplomat Raoul Wallenberg sought to save the lives of Jews in Hungary. He issued protective passports and rented buildings in Budapest where Jews were given shelter.
After liberation, cameramen, journalists and broadcasters recorded what they discovered at the newly liberated concentration camps. At trials of Nazi war criminals, camp survivors spoke up about the persecution they had experienced. Some continue to testify to this day.
Collection of evidence for the Nuremberg Trials, 1945. This photograph shows Captain Barous (seated) and M Prochta inspecting the Czechoslovak 'Black Book'. Compiled by the Czech Ministry of the Interior, this was made up of documentary and photographic evidence showing the atrocities committed by the Nazis during the occupation.