Howard Roark is a fictional character and the protagonist of Ayn Rand's novel, The Fountainhead. He is an innovative architect known for his modernist designs and strong individualism. Roark embodies the principles of Objectivism, valuing creativity and personal integrity over societal expectations. Throughout the story, Roark faces numerous challenges as he strives to maintain his artistic vision against conventional norms. His unwavering commitment to his ideals and refusal to conform make him a symbol of individualism and self-determination in the face of adversity.