1886. Oil on canvas. The Russian Museum, St. Petersburg, Russia. Read Note.
Struve, Otto Wilhelm (1819-1905), German astronomer, son of Friedrich Struve, born in Dorpat. He succeeded his father at Pulkovo observatory near St. Petersburg, which had been constructed to his father’s specifications through the patronage of Tzar Nicolas I. Otto Struve discovered 500 double stars and a satellite of Uranus (1847), and studied the rings of Saturn. Otto’s son Hermann (1854-1920) was director of the Berlin observatory; another son, Ludwig (1858-1920) was professor of astronomy at Kharkov. Ludwig’s son, Otto (1897-1963) became an American citizen and director of the Yerkes and McDonald observatories (1932)