Melvyn Bragg and his guests discuss the Arab philosopher Al-Kindi.
At the Edinburgh Festival, Andrew Robinson asks: 'What can we learn from geniuses?'.
Adrian Moore discovers how Aristotle tried to make infinity acceptable to the Greeks.
Melvyn Bragg and guests discuss the 12th century Islamic philosopher, Averroes.
Melvyn Bragg discusses the Persian Islamic philosopher Avicenna.
Melvyn Bragg and his guests discuss the life and work of Benjamin Franklin.
Galileo, charged with heresy for saying the earth revolved around the sun, is championed.
Heather Couper on Galileo's idea to systematically record his telescope observations.
Vivienne finds out how 'gifted' children are measured and by whom.
Marcus du Sautoy introduces the man whose mathematical insight gave rise to chaos theory.
Cerys Matthews on why 12th-century nun Hildegard von Bingen qualifies as a great life.
Melvyn Bragg and his guests discuss the medieval writer and mystic Hildegard of Bingen.
Melvyn Bragg examines the Prussian naturalist and explorer, Alexander Von Humboldt.
Melvyn Bragg and guests discuss the true meaning of genius and whether it is born or made.
Sarfraz Manzoor asks if it is better to specialise or build a portfolio career.
The great clash that occurred between Newton and Leibniz over the discovery of calculus.
Will Self concludes his 600-mile road trip on the trail of physicist James Clerk Maxwell.
A defence of general knowledge by two stars from the last series of University Challenge.
Melvyn Bragg and his guests discuss Ptolemy and ancient astronomy.
David Attenborough nominates the largely forgotten 17th-century inventor and illustrator.
Melvyn Bragg and guests discuss 17th-century scientist Robert Hooke.
Biologist Steve Jones reflects on the legacy of the father of eugenics, Francis Galton.
Melvyn Bragg and guests discuss Rabindranath Tagore.
Sunil Khilnani tells the story of the Bengali writer and thinker Rabindranath Tagore.
Rabindranath Tagore was the world's first Asian Nobel Laureate - but his medal was stolen
Playwright Tanika Gupta chooses Rabindranath Tagore as her Great Life.
How a reclusive maths prodigy terrorised America - and how the media amplified his cause.
The man who predicted deforestation and harmful human-induced climate change 200 years ago
Ptolomy wrote 13 volumes listing over 1000 stars and 48 constellations around AD 150.
Melvyn Bragg and guests discuss the Central Asian scientist and historian al-Biruni.
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