William Shakespeare (1564-1616) was an English playwright, poet, and actor widely regarded as the greatest writer in the English language and one of the most influential dramatists in world literature. His plays, including Hamlet, Macbeth, King Lear, Othello, and Romeo and Juliet, have been performed continuously for more than four centuries. Shakespeare's works explore themes of power, ambition, love, betrayal, and the complexities of human nature, and they remain central to the study of literature and theatre worldwide.