A comedy writer and producer who spent 15 years on “The Simpsons” has died in Los Angeles after a long illness. Kevin Curran was 59.

Spokeswoman Antonia Coffman says Curran died Tuesday.

Curran joined “The Simpsons” in 2001 and in recent years had been co-executive producer. Episodes he wrote included 2005’s “Don’t Fear the Roofer” and 2014’s “The Winter of His Content.”

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He won three Emmy Awards on “The Simpsons” and in 2010 was nominated for a Humanitas award for his episode “The Greatest Story Ever D’ohed.”

In the 1980s he was on the writing team of “Late Night with David Letterman,” where he shared in three Emmys.

He wrote for “Married ... With Children,” for which he also served as the uncredited voice of Buck the Dog.