Frank Machin is a fictional character from the novel "This Sporting Life," written by David Storey. He is a professional rugby player in post-war England, struggling with the challenges of his sport and personal life. The story explores themes of ambition, masculinity, and the harsh realities of working-class life. Machin's character is marked by his intense drive to succeed, often leading to conflicts with others. His journey reflects the complexities of identity and the impact of societal expectations on individual aspirations. The novel is a significant work in British literature, highlighting the intersection of sport and personal struggle.