**Core Concept**
Wilhelm Conrad Röntgen discovered X-rays in 1895, revolutionizing medical imaging and diagnostic capabilities. This discovery led to the development of various X-ray technologies, enabling clinicians to visualize internal structures without invasive procedures.

**Why the Correct Answer is Right**
Röntgen's discovery of X-rays was a pivotal moment in medical history, allowing for the non-invasive imaging of internal organs and tissues. He discovered X-rays by accident while experimenting with cathode rays and noticed that a screen coated with barium platinocyanide glowed when exposed to the unknown radiation. This discovery paved the way for the development of X-ray technology, which has become an essential tool in modern medicine.

**Why Each Wrong Option is Incorrect**
**Option A:** Not applicable.
**Option B:** Not applicable.
**Option C:** Not applicable.
**Option D:** Not applicable.

**Clinical Pearl / High-Yield Fact**
It is essential to remember that Wilhelm Conrad Röntgen's discovery of X-rays was a serendipitous event, highlighting the importance of observation and curiosity in scientific discovery.

**Correct Answer:** Wilhelm Conrad Röntgen