Harlan Ellison was an American author known for his work in speculative fiction, particularly in the genres of science fiction and fantasy. Born on May 27, 1934, he gained fame for his short stories, essays, and screenplays, often exploring complex themes of humanity and morality. His notable works include the short story "I Have No Mouth, and I Must Scream" and the television episode "City on the Edge of Forever" from the series Star Trek. Throughout his career, Ellison received numerous awards, including the Hugo and Nebula Awards, recognizing his contributions to literature. He was known for his outspoken personality and often controversial opinions, which made him a prominent figure in the literary community. Ellison passed away on June 28, 2018, leaving behind a legacy that continues to influence writers and creators in various fields.