Home / Arts and Entertainment / TV Writer, Jenner Co-Author Dies Hiking Runyon Canyon
TV Writer, Jenner Co-Author Dies Hiking Runyon Canyon
9 Jun
Summary
- William Hasley, writer for 'The Smurfs,' died on Runyon Canyon.
- He co-wrote an inspirational book with Caitlyn Jenner.
- Hasley, 78, had a notable career in TV and motivational writing.

William Hasley, a prolific writer and television producer, was discovered deceased on Saturday evening along the popular Runyon Canyon trail in Hollywood. He was 78 years old.
Hasley was recognized for his contributions to animated series like "The Smurfs" and "Fat Albert and the Cosby Kids." He later collaborated with Caitlyn Jenner on the motivational book "Finding the Champion Within."
His extensive writing credits also include "Chasing the Wind, The Autobiography of Steve Fossett" and ghostwriting "Passion, Profit & Power." Hasley also developed television pilots and wrote for series such as "The Young Riders."
This incident marks the second death on Runyon Canyon in just two weeks, following a cardiac arrest on the same trail two weeks prior. The Los Angeles Fire Department confirmed rescuers reached Hasley, but he was pronounced dead at the scene.