Renowned American composer Mark Snow, best known for creating the haunting theme music of The X-Files, has passed away at the age of 78.
The 15-time Emmy Award nominee died peacefully at his home in Connecticut on Friday, July 3, as confirmed by his representative.
Snow’s iconic work on The X-Files not only shaped the sound of 1990s television but also left a lasting legacy in pop culture. His atmospheric compositions helped define the eerie tone of the sci-fi series, making the theme instantly recognizable around the world.
Following the announcement of his death, tributes poured in from fans and fellow artists alike. Notably, Emmy-winning composer Sean Callery, a close friend and protégé of Snow, shared an emotional tribute on Facebook.
“Thirty-three years ago, he began mentoring me as an artist,” Callery wrote. “Who knew that I was also at the beginning of a deep friendship that would only grow and evolve over three decades… His humor, his spirit, his talent—good God, his immense talent—the world has lost a genuine and beautiful soul.”
Callery fondly recalled seeking Snow’s feedback on musical pieces, praising his ability to immediately identify what was essential and guide others with remarkable clarity. “I’ll be forever indebted to Mark’s wisdom and generosity,” he added, crediting Snow with helping launch his own successful career.
Mark Snow received six of his Emmy nominations for The X-Files. The remaining honors came from his work on acclaimed TV movies and miniseries such as Something About Amelia, An American Story, Oldest Living Confederate Widow Tells All, Children of the Dust, and Helter Skelter.
Snow is survived by his wife Glynnis O’Connor, their children, and grandchildren. His passing marks the end of an era in television music, but his legacy will continue to inspire generations of composers to come.