FANDOM


1971–1984

Prototypes

The above prototypes were showcased in this 1981 interview with Herb Lubalin when asked about the creative process which led to the final design.

Other Versions

Video

1984–1998

1998–2002

2002–present

2009–present

Symbol

1984–present

PBS

1998–present

PBS Circle

2009–present

PBS Circle 3D


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