Ludvig Knudsen was born in
Copenhagen. He was the son of Jens Christian Knudsen (1801-1856) and Johanne F. Jakobsen (1811-1866). He apprenticed as a carpenter and was then admitted to the
Royal Danish Academy of Fine Arts in 1860 where he studied under
Gustav Friedrich Hetsch. After his graduation in 1869, he worked for both
Christian Hansen and
Ferdinand Meldahl. In 1871 he assumed a position as Building Inspector in Copenhagen and remained in this position until 1889. He designed a number of churches as well as various other sacral buildings, including St. Stephen's Church (
Sankt Stefans Kirke) in Copenhagen's
Nørrebro district. He was also responsible for the restoration of the
Reformed Church and the
Garrison Church in Copenhagen. He became Knight of in the
Order of the Dannebrog 1887 and titular professor 1900. Knudsen died in Copenhagen and was buried at
Vestre Kirkegård. ==Selected buildings==