Hippos and globes: 60 years of BBC television idents
2 December 2013 Last updated at 07:46 GMT
On 2 December 1953 the BBC launched its first dedicated on-air symbol (ident) for the then single channel TV network.
The first ident was created by one of the 20th century's greatest designers, Abram Games.
However, unlike the more recent balloon or hippos, many viewers hated it.
Nick Higham reports.