X-ray was an accidental discovery made by German physicist Wilhelm Conrad Röntgen in 1895.
they were developed by scientist ( clever people )
The scientist who was part of a team that developed the drug penicillin was "Howard Florey".
The concept of the lever was developed by the ancient Greek scientist Archimedes. He is credited with formulating the principles of levers in his work on mechanics.
Dr Military
me
Howard Florey
Charles Darwin
alfred wegener
Willard Libby
Albert Einstein
minister mc fluffienstein I think it is Carolus Linnaeus
They experimented with xrays on the prisoners in the concentration camps. Mostly at Auschwitz.