Horizon - A Theory of the Earth

Seizoen: 1966 - Aflevering: 4 / 453 - Eerst uitgezonden: 13 februari 1966 - Episode ID: 457928

The eminent Canadian geologist. Professor Tuzo Wilson , explains his new ' Froth on the Broth ' theory of the structure of the earth to David Wilson before his recent lecture to the Royal Geological Society