Otto Pius Hippius was a Baltic German

Baltic German

The Baltic Germans were mostly ethnically German inhabitants of the eastern shore of the Baltic Sea, which today form the countries of Estonia and Latvia. The Baltic German population never made up more than 10% of the total. They formed the social, commercial, political and cultural élite in...

 architect, particularly noted for his Estonia

Estonia

Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

n masterpieces.

These include the Sangaste Manor House in southern Estonia, which the Count Friedrich Berg had built between 1879 and 1883, as well as Kaarli church in Tallinn

Tallinn

Tallinn is the capital and largest city of Estonia. It occupies an area of with a population of 414,940. It is situated on the northern coast of the country, on the banks of the Gulf of Finland, south of Helsinki, east of Stockholm and west of Saint Petersburg. Tallinn's Old Town is in the list...

, constructed between 1862 and 1870; and Alexander church in Narva

Narva

Narva is the third largest city in Estonia. It is located at the eastern extreme point of Estonia, by the Russian border, on the Narva River which drains Lake Peipus.-Early history:...

, constructed between 1881 and 1884.