Barry Emmanuel Tuckwell, was an Australian French horn player who spent most of his professional life in the UK and the United States. He is generally considered to have been one of the world's leading horn players.

The French horn is a brass instrument made of tubing wrapped into a coil with a flared bell. The double horn in F/B♭ is the horn most often used by players in professional orchestras and bands, although the descant and triple horn have become increasingly popular. A musician who plays a horn is known as a horn player or hornist.