After his failure to measure the mean density of the Earth in the Dolcoath mine in Cornwall in 1826, George Airy waited 30 years before making another attempt. For this he went to the Harton Pit near South Shields and used innovations such as electrical signalling. But was he any more successful?
One of the criticisms faced by Ayn Rand in her lifetime was that her ‘rational men’simply did not exist. To this she had a standard answer. “I know they do. I married one. His name is Frank O’Connor.”
In finding a place to stay in Rio de Janeiro, Rose and Louis de Freycinet were indebted to a “M. Taunay,, the son of a painter and a member of the Institute’s Academy of Fine Arts, whose name and works are well known in Europe”. But who was this friend in need?