Paul Gordon Barker (born February 8, 1959), also referred to as Hermes Pan, is an American musician, best known as the former bass guitarist, producer and engineer for industrial metal band Ministry from 1986 to 2003. Prior to Ministry, he provided bass for the Seattle post-punk ensemble The Blackouts alongside future Ministry drummer Bill Rieflin and his brother, one-time Ministry touring keyboardist/saxophonist Roland Barker, from 1979 until 1985.
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