John Joly — Irish Scientist born on November 01, 1857, died on December 08, 1933

John Joly FRS was an Irish physicist, famous for his development of radiotherapy in the treatment of cancer. He is also known for developing techniques to accurately estimate the age of a geological period, based on radioactive elements present in minerals... (wikipedia)

The sediments of the past are many miles in collective thickness: yet the feeble silt of the rivers built them all from base to summit.
Geological age plays the same part in our views of the duration of the universe as the Earth's orbital radius does in our views of the immensity of space.
That the sea is one of the most beautiful and magnificent sights in Nature, all admit.
We live in an epoch of denudation.
All great results in our universe are founded in motions and forces the most minute.