J. B. Priestley was an English novelist, playwright, and social commentator, born on September 13, 1894, in Bradford, England. He is best known for his works that explore social issues and human relationships, often blending elements of fantasy and realism. His most famous play, An Inspector Calls, highlights themes of social responsibility and the impact of individual actions on society. Priestley was also a prominent public intellectual and a vocal advocate for social reform. He served in the British Army during World War I and later became involved in politics, promoting ideas of socialism and community welfare. His contributions to literature and social thought have left a lasting legacy.