William Hasley, a well-known Hollywood screenwriter and ghostwriter who co-wrote works with Olympic champion Caitlyn Jenner, the father of Kendall and Kylie Jenner, has passed away at the age of 78.
The veteran collaborator was found dead on Saturday, 6 June 2026, near the Runyon Canyon hiking area in Los Angeles. Local authorities confirmed that emergency services responded to the scene following a fatal medical event, where Hasley was officially identified by emergency personnel.
