Carl Axel Setterberg

He studied to become an architect at the Royal Swedish Academy of Fine Arts in Stockholm from 1834–1841.

In May 1841, he got a job as building contractor in Gävleborg province, where he worked the following ten years.

In 1855, he permanently became county architect after he had becoming citizen of the Grand Duchy of Finland.

The new town of Nikolaistad (Finnish: Nikolainkaupunki), named after the late Tsar Nicholas I, rose in 1862.

Setterberg also designed many of the city's public and private buildings, like the Holy Trinity Church in 1869.