Rick Prelinger uses photos, news clips, ephemera, film, and audio to describe the development of telephones, radio, TV, and police and fire communications in San Francisco. This is not overly technical but is geared to lay people. This fascinating talk is filled with rich detail, including the “Human Telephone” woman at the PPIE.

Rick Prelinger is co-founder (with Megan Prelinger) of the Prelinger Library and Archives, which collects historical film and home movies and operates a private research library open to the public in San Francisco. He has been researching the history and social context of radio communications for many years.

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