Olaus Andreas Grøndahl

Olaus Andreas Grøndahl (4 November 1847 — 31 December 1923) was a Norwegian conductor, singing teacher and composer.

[4] He was born in Christiana (Oslo), the son of the book printer Anders Grøndahl and Ingeborg Marie, née Wullum.

[6] He took an examination in 1867 and originally studied theology in university where he also directed the Studentersangforeningen (Student Song Society).

He was the husband of the pianist and composer Agathe Backer-Grøndahl, whom he married in June 1875, having met in Germany.

[7][8] In the early 1900s, he was conductor for the Norwegian Royal University Male Chorus of Oslo with 45 singers, and in 1905, they visited the United States touring, and performed at the White House for President Theodore Roosevelt.