200th birthday of Swiss astronomer Rudolf Wolf
Istituto ricerche solari Aldo e Cele Daccò
The Swiss Astronomer Rudolf Wolf was born on 7 July 1816.He was the first director of the Swiss Federal Observatory in Zurich and he is well known for his studies about the solar cycle and the sunspot observations.
For more information see the nice article published by the ETH-library in Zurich:
Astronomy and solar research – Rudolf Wolf and his legacy
