Marie Tharp: Uncovering the Secrets of the Ocean Floor – with Helen Czerski

“Continental drift is common knowledge now, but when the idea was first proposed it was revolutionary. Helen Czerski tells the story of how the maps of one of… ” – My Comments : Very cool! I had heard of Wegener’s work on continental drift, but I had never heard of the role Marie Tharp’s cartographic work played in proving the theory.