Johan Daniel Berlin
Johan Daniel Berlin (born 12 May 1714, Memel, Prussia – 4 November 1787, Trondheim, Norway) was a German-born Norwegian rococo composer and organist, remembered as one of the founders of the Royal Norwegian Society of Sciences and Letters. Life. He was born in Memel (now Klaipėda, Lithuania). At the age of nineteen, he came to Copenhagen, starting out as an apprentice to the privileged town musician there, Andreas Berg. In 1737, he became the privileged town musician in Trondheim. In 1741, he became organist of the Nidaros Cathedral (1741–1787) and Vår Frue Church (1752–1761). In addition, he  held the positions as captain of the fire brigade and inspector of the water-works, practiced as an architect, land-surveyor, artisan, constructor and maker of instruments, made a series of meteorological, geomagnetic, and astronomical observations, and was for 38 years an active member of the Royal Norwegian Society of Sciences and Letters. He allegedly composed many works, but only a few of his compositions have been preserved. His book, Musicaliske Elementer "(Musical Elements)", printed in Trondheim in 1744, was the first Norwegian textbook on the theory of music and instruments.