Jan Leonard Groth: A Line Drawn Across Time Jan Leonard Groth (February 25, 1946 – August 27, 2014) was a Norwegian musician whose artistic legacy transcends genre boundaries. Born in Greåker, Sarpsborg, Norway, Groth’s journey began with a fascination for the expressive power of line—a preoccupation that would define his distinctive style and propel him to international recognition as both a composer and a tapestry artist. His work s…