| Gustav Lorentzen | |
| Background: | solo_singer |
| Alias: | Ludvigsen |
| Birth Date: | 28 September 1947 |
| Birth Place: | Bergen, Norway |
| Death Place: | Outside Bergen, Norway |
| Instrument: | Guitar, vocals, bass guitar, drums, piano,accordion |
| Genre: | Pop, children's songs, humour |
| Occupation: | Musician, songwriter, record producer, author |
| Years Active: | 1970–2010 |
| Associated Acts: | Knutsen & Ludvigsen, Øystein Dolmen |
Gustav Lorentzen (28 September 1947 – 21 April 2010[1]), also known by his stage name Ludvigsen, was a Norwegian singer-songwriter,[2] [3] best known from being half of the successful duo Knutsen & Ludvigsen, alongside Øystein "Knutsen" Dolmen. He went solo in 1986, winning four Spellemann awards and one nomination for his 5 albums.
In addition to music, Lorentzen made several TV series and books, mostly intended for children. He also had a degree in acoustics from the Norwegian Institute of Technology.
From 1997 until his death, Lorentzen collaborated with the psychologist Magne Raundalen, creating a therapeutic program for traumatized children, mainly victims of wars. He was also a UNICEF Ambassador since 1993.
On 21 April 2010, Lorentzen collapsed during an orienteering competition outside of Bergen and went into cardiac arrest. He was pronounced dead a few minutes later.[1]