Those characters include two residents of the fictitious  Midwestern state of Winnepac: one, a brilliant scientist and title character in a novel that won its author the 1926 Pulitzer Prize, Martin Arrowsmith; the other the title middle-aged partner in a real-estate firm, George Babbit.
In 1930, this author became the first American to win the Nobel Prize in Literature, with the Academy citing ―his ability to create, with wit and humor, new types of characters‖. Those characters include two residents of the fictitious  Midwestern state of Winnepac: one, a brilliant scientist and title character in a novel that won its author the 1926 Pulitzer Prize, Martin Arrowsmith; the other the title middle-aged partner in a real-estate firm, George Babbit. However his most popular works today are a satirical novel about a college athlete turned evangelist minister, and a novel centering on the free-spirited Carol Milford. FTP, who is this author of Elmer Gantry and Main Street.
In 1930, this author became the first American to win the Nobel Prize in Literature, with the Academy citing ―his ability to create, with wit and humor, new types of characters‖.
{Sinclair Lewis} (prompt on ―Lewis‖)