Hendrik Lorentz

Hendrik Lorentz was born on 18 July 1853 in the Arnhem region of the Netherlands and studied physics and mathematics at the University of Leiden. He was a Dutch physicist who shared the 1902 Nobel Prize in Physics with Pieter Zeeman for the discovery and theoretical...

The CAT-Scan Invention

In November 1975 South African physicist and inventor Robert Ledley was granted patent #3,922,552 for a Diagnostic X-ray System also known as a CAT-Scan. Robert Ledley invented a mathematical technique in which the X-ray source and electronic detectors are rotated...