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Gustav Fredrik Lorentzen was a Norwegian musician, comedian and writer. He is best known to most as his alter ego "Ludvigsen" in the duo Knutsen & Ludvigsen (1970–1986).
Gustav Fredrik Lorentzen was a Norwegian musician, comedian and writer. He is best known to most as his alter ego "Ludvigsen" in the duo Knutsen & Ludvigsen (1970–1986).
