Time Machine
Voices without wires
An eccentric American farmer was one of the earliest pioneers of wireless communication.
A change of heart
In 1967, a flamboyant South African physician made medical history when he performed the first human heart transplant.
Seeing through the skin, with X-rays
The Nobel Prize-winning discovery that took the world by storm, even as its discoverer renounced the fame that followed.
Breathing free
A metallic monstrosity, the 'iron lung' saved thousands of polio patients.
Gone with the War
Henry Moseley blazed a brilliant scientific trail; a sniper bullet ended his too-short life.
