Heinrich Schwabe
German amateur astronomer
Samuel Heinrich Schwabe was a German amateur astronomer remembered for his work on sunspots. He observed sunspots and made drawings of them from 1825 to 1867 and suggested in 1838 that there may be a ten-year cycle of sunspot activity. Wikipedia
Born: October 25, 1789, Dessau, Dessau-Roßlau, Germany
Died: April 11, 1875 (age 85 years), Dessau, Dessau-Roßlau, Germany
Education: Humboldt University of Berlin
Award: Gold Medal of the Royal Astronomical Society (1857)