Charles Darwin

"Describing laughter: The sound is produced by a deep inspiration followed by short, interrupted, spasmodic contractions of the chest, and especially the diaphragm... the mouth is open more or less widely, with the corners drawn much backwards, as well as a little upwards; and the upper lip is somewhat raised."

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Source: Charles Darwin (1871). “The Descent of man”, p.163

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Charles Darwin

Charles Darwin

Naturalist, Geologist

Charles Darwin was a naturalist whose theory of evolution through natural selection, outlined in 'On the Origin of Species', transformed biology.

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Charles Darwin Naturalist, Geologist

"It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change, that lives within the means available and works co-operatively against common threats."

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