// todo need optimize like in event.jsp. Add indexing or not indexing this page. Wilhelm Conrad Roentgen (jan 1, 1845 – jan 1, 1923) (Timeline)

Wilhelm Conrad Roentgen (jan 1, 1845 – jan 1, 1923)

Discovered X-RAYS

26 Jan 2018

jan 1, 1845

jan 1, 1923

~ 78 years

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