<p>How a South Australian geologist named Reg Sprigg helped solve Charles Darwin's dilemma</p>

How a South Australian geologist named Reg Sprigg helped solve Charles Darwin's dilemma

The curious geologist

The History Listen is now ABC Rewind, the home of gripping narrative history series. Dive into true stories told by the people who lived through them.

Society & Culture

Documentary

History

The History Listen is now ABC Rewind, the home of gripping narrative history series. Dive into true stories told by the people who lived through them.

The History Listen is now ABC Rewind, the home of gripping narrative history series.&nbsp;Dive into true stories told by the people who lived through them.

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The curious geologist

The curious geologist

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