Friedrich Tietjen
Friedrich Tietjen (October 15th 1834 - June 21st 1895) was a German Astronome .
He was director of the Astronomischen Rechen-Institutes (ARI) with Heidelberg of 1874 until his death in 1895.
| Random links: | Strombus raninus | Azure and Asmar (video game) | Vladimir (khan) | Paso de Los Patos | Treaty of Tolentino | 36_Atalante |