Not just wood: Modulus Graphite
In 1974, attending a Grateful Dead concert and noting the excessive weight of the instrument (probably an Alembic) that bassist Phil Lesh had to carry, the aerospace engineer (and bassist himself) Geoff Gould, involved in the Voyager space project, had the idea of using the light synthetic materials that he experimented in his laboratory to create an electric bass. Epidoxic resin combined with carbon fiber took the simplistic name of graphite and proved to be a light, moldable and extremely resistant material. Gould began experimenting with the new-found material with Rick Turner from Alembic and founded Modulus Graphite (which later became Modulus Guitars in 1995) producing graphite necks both for various companies such as Alembic and Music Man, and for their extra-long scale instruments.