* Astronomy

It has been claimed that as many as two out of five humans on the planet today owe their existence to the discoveries made by one brilliant German chemist.
Yet this is the same chemist denounced by young German students today as a "murderer".
No-one personifies better than Fritz Haber the debate over science's capacity for good and evil.
And there is more to his dramatic life even than this. For Haber personifies too the tragedy of a Jew desperate to be a patriotic German, whose life was destroyed after the Nazis came to power.
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