Bernard John Marsden (born 7 May 1951) is an English rock and blues guitarist. He is primarily known for his work with Whitesnake, having written or co-written with David Coverdale many of the group's hit songs, such as "Fool for Your Loving", "Walking in the Shadow of the Blues", "She's A Woman", "Lovehunter", "Trouble", "Child of Babylon", "Rough and Ready", and the multi-million selling chart-topper "Here I Go Again".
