First manmade plastic

First manmade plastic
Who
Unknown
What
first
Where
United Kingdom (London,At the Great International Exhibition)
When

The first manmade plastic was parkesine, invented by Alexander Parkes (UK) (1813-1890). Derived from plant cellulose, the shape of parkesine could be molded when heated, but it kept its shape once cooled. He unveiled his invention at the Great International Exhibition in London, UK in 1862.