20 1913, and became once more Minister for Foreign Affairs in the reconstructed Viviani Cabinet on Aug.
Viviani as prime minister.
This problem was solved independently by Vicenzo Viviani in Italy.
He continued his scientific correspondence with unbroken interest and undiminished logical acumen; he thought out the application of the pendulum to the regulation of clockwork, which Huygens successfully realized fifteen years later; and he was engaged in dictating to his disciples, Viviani and Torricelli, his latest ideas on the theory of impact when he was seized with the slow fever which in two months brought him to the grave.
The invention of the microscope, attributed to Galileo by his first biographer, Vincenzio Viviani, does not in truth belong to him.