What is Wilhelm Röntgen theory?

Wilhelm Röntgen is best known for discovering X-rays in 1895, rather than a specific theory. His work demonstrated that X-rays could penetrate various materials, leading to significant advancements in medical imaging and diagnostics. Röntgen's discovery challenged existing notions of electromagnetic radiation and laid the groundwork for future research in both physics and medical science. His contributions earned him the first Nobel Prize in Physics in 1901.