1. United States writer whose novels argued for social reform (1878-1968)
   - Upton Sinclair, Upton Beall Sinclair 
2. English electrical engineer who founded a company that introduced many innovative products (born in 1940)
   - Clive Sinclair, Sir Clive Marles Sinclair

Type of: author, electrical engineer, enterpriser, entrepreneur, writer

Encyclopedia: Sinclair, Iowa Sinclair Sinclair, Wyoming Sinclair, WY

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