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If, for Anna ��ö�Գٲ���� and Hans Castorp, the X-ray produced something that was undeniably and terrifyingly their own body, I was having the opposite experience.

It wasn’t until 1895 that a physicist named Wilhelm ��ö�Գٲ���� tried something new: He put the hand of his wife, Anna, between a cathode-ray tube and a photographic plate.

Despite this rejection, ��ö�Գٲ���� later donated his Nobel Prize money to the University of Würzburg.

��ö�Գٲ����’s academic career had a less-than-propitious start.

In 1895, when the German physicist Wilhelm ��ö�Գٲ���� discovered mysterious rays that could pass through muscles, tendons and skin, he trained these invisible beams of light onto his wife’s fingers and wedding bands.