In this task, you are given a question. You have to answer the question based on your information.

Marine Engineer Hans Lüdemann (died 1913) was a German sailor who died saving his ship, Torpedo Boat S148, after a boiler room explosion, a World War II German destroyer, Z18, was named "Hans Lüdemann" in his honour, which was scuttled in which naval battle in the Ofotfjord and as a land battle in the mountains surrounding the north Norwegian city of Narvik as part of the Norwegian Campaign of the Second World War, and was fought from 9 April to 8 June 1940?
Battles of Narvik

What host of The Voice UK was in "Doctor Who"?
Reggie Yates

Who initiated the Stockholm Appeal, and was the husband of Irène Joliot-Curie?

Jean Frédéric Joliot-Curie