Acclaimed Sci-Fi Author Daniel Simmons Dies at 77

Simmons, known for his Hyperion series, passed away on February 21 surrounded by family.

Published on Feb. 27, 2026

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Daniel Simmons, the acclaimed science fiction author best known for his Hyperion series, has died at the age of 77. Simmons passed away on February 21 in Longmont, Colorado, with his wife Karen and daughter Jane by his side, according to his obituary. Simmons was a prolific writer, publishing 31 novels and short story collections over his career, and his works have been translated into over 20 languages.

Why it matters

Simmons was a highly influential figure in the science fiction genre, with his Hyperion series winning the prestigious Hugo Award. His ability to seamlessly blend science fiction with other genres like historical fiction and horror made him a unique and celebrated voice in literature. His passing is a significant loss for the literary community.

The details

In addition to his acclaimed Hyperion series, Simmons wrote a variety of other works spanning multiple genres, including the horror novel The Terror, which was later adapted into an AMC limited series. Prior to his writing career, Simmons worked as an elementary school teacher for 18 years, during which time he co-created and taught a pioneering gifted student program. Simmons is survived by his wife, daughter, grandchildren, and brother.

  • Simmons passed away on February 21, 2026.
  • His debut novel Song of Kali won the World Fantasy Award in 1986.
  • Hyperion, the first book in his acclaimed sci-fi series, was published in 1989 and won the Hugo Award.

The players

Daniel Simmons

An acclaimed science fiction author best known for his Hyperion series, which won the Hugo Award. Simmons published 31 novels and short story collections over his career.

Karen Simmons

Daniel Simmons' beloved wife, who was by his side when he passed away.

Jane Simmons

Daniel Simmons' daughter, who was also present when he died.

David Morrell

A fellow author and friend of Daniel Simmons, who paid tribute to him on social media following his passing.

Wayne Simmons

Daniel Simmons' brother.

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What they’re saying

“My dear friend & incomparable author Dan Simmons died Saturday from a stroke at age 77. He defied literary norms, exploring historical fiction, horror, crime & other genres.”

— David Morrell (X)

What’s next

Details for a Celebration of Life event honoring Daniel Simmons are pending.

The takeaway

Daniel Simmons' passing marks the end of an era for science fiction literature. His ability to seamlessly blend genres and defy literary norms made him a truly unique and influential voice in the genre. While he is gone, his acclaimed works, including the Hyperion series, will continue to inspire and captivate readers for generations to come.