He wrote about J. P. Morgan in The Moneychangers and about a Colorado strike in King Coal, and won a Pulitzer Prize for his novel Dragon's Teeth.  
He created controversy with his early novel The Journal of Arthur Stirling, which he claimed to be based on the suicide of an actual poet.  His other early works include historical novels like Manassas and the unsuccessful Springtime and Harvest, while he wrote about the dissolution of his marriage in 1911's Love's Pilgrimage.  He wrote about J. P. Morgan in The Moneychangers and about a Colorado strike in King Coal, and won a Pulitzer Prize for his novel Dragon's Teeth.  However, he is better remembered for books like Boston, his treatment of the Sacco and Vanzetti case, and a novel which was first serialized in Appeal to Reason.  FTP, name this author who wrote about Jurgis Rudkus in The Jungle.
He created controversy with his early novel The Journal of Arthur Stirling, which he claimed to be based on the suicide of an actual poet.  
Upton Sinclair