Henrik Ibsen was a Norwegian playwright and poet, often referred to as the father of modern drama. His works, such as A Doll's House and Hedda Gabler, challenged societal norms and explored complex human emotions, making him a pivotal figure in the development of realism in theatre. Ibsen's plays often addressed issues like gender roles, morality, and individual freedom, which resonated with audiences and sparked discussions. His influence extends beyond Norway, impacting playwrights and literature worldwide, solidifying his legacy as one of the most significant dramatists in history.