The Financier is a novel by Theodore Dreiser (1871–1945), based on a true story. It is the first part of the «Trilogy of Desire.» Frank Cowperwood, the son of a banker, starts his own business. He married a wealthy widow. Over time, Cowperwood began to misuse municipal funds with the help of the city treasurer. When the Great Chicago Fire causes a stock market crash, he goes bankrupt, and his fraud is exposed. Frank has an affair with Aileen Butler, the daughter of one of his business partners. Aileen promises to wait for him after his imprisonment.