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Collectors: Charles Darwin
A life-long collector of curiosities, Darwin saw massive significance in tiny changes.

Collectors: Samuel Johnson
Working in chaos at a desk strewn with papers, 'Dictionary Johnson' left a great legacy.

Collectors: Pamphila
A prolific historian from ancient Greece – female, freelance and working from home.

Collectors: Denis Diderot
The Enlightenment encyclopaedist; the ultimate interdisciplinary thinker.

Collectors: Sei Shōnagon
The author of a Japanese masterpiece who saw the beauty and absurdity in everyday life.

Teachers: Diogenes
The irascible Greek thinker who lived in a barrel and argued for a simpler happier life.

Teachers: Peter Ramus
A radical teacher who believed passionately in knowledge and education for all.

Teachers: Mary Somerville
A remarkable 19th-century polymath inspired by the natural world and the universe beyond.

Teachers: Maimonides
The celebrated medieval philosopher who reconciled faith and reason.

Teachers: Michael Faraday
An obsessive, meticulous intellect that gave us ideas behind world-changing technology.