John Richard Deacon (born 19 August 1951) is an English retired musician who was the bass guitarist for the rock band Queen. He wrote several songs for the group, including Top 10 hits "You're My Best Friend", "Another One Bites the Dust" and "I Want to Break Free"; co-wrote "Under Pressure", "Friends Will Be Friends" and "One Vision"; and he was involved in the band's financial management. Deacon grew up in Oadby, Leicestershire, playing bass guitar in a local band, The Opposition, before moving to study electronics at Chelsea College, London.
https://en.wikipedia.org/wiki/John_Deacon