Trevor Bolder (9 June 1950 – 21 May 2013) was an English rock musician, songwriter and record producer. He is best known for his long association with Uriah Heep and his tenure with the Spiders from Mars, the backing band for David Bowie, although he also played alongside a variety of musicians from the early 1970s. Description above from the Wikipedia article Trevor Bolder, licensed under CC-BY-SA, full list of contributors on Wikipedia.