Björn Ulvaeus
- Music Department
- Composer
- Writer
Björn Ulvaeus was born on 25 April 1945 in Gothenburg, Västra Götalands län, Sweden. He is a composer and writer, known for Mamma Mia! (2008), Mamma Mia! Here We Go Again (2018) and The Martian (2015). He has been married to Lena Källersjö since 5 January 1981. They have two children. He was previously married to Agnetha Fältskog.
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