Gunnlaugr Leifsson
Gunnlaugr Leifsson (died 1218 or 1219) was an Icelandic scholar, author and poet. He was a Benedictine monk at the Þingeyraklaustur monastery (Icelandic Þingeyrarklaustur) in the north of Iceland. Many sources (including Þorvalds þáttur víðförla) refer to him simply as Gunnlaugr munkr or Gunnlaugr the Monk.