Frank H. Spearman was an American novelist best known for Western adventures centered on railroads and the people who operated them. His most famous novel, Whispering Smith, follows a railroad detective through a world of loyalty, danger, and conflicting duties. Across his fiction, the railway becomes both a setting for action and a link between growing communities.

Born in Buffalo, New York, Spearman pursued a business career and served as a bank president in McCook, Nebraska. Although he did not work for a railroad himself, he developed a sustained interest in its organization and culture. That interest produced nonfiction as well as stories about engineers, dispatchers, detectives, and other figures associated with the expanding rail system.

His books include Held for Orders, The Nerve of Foley, The Mountain Divide, and Nan of Music Mountain. The Strategy of Great Railroads reflects the practical side of his subject, while his novels combine technical detail with romance and adventure. Whispering Smith reached additional audiences through repeated screen adaptations. Spearman's work preserves a distinctive vision of the American West shaped by transportation, enterprise, and the demands of individual responsibility.