The office of his agent, Patrick Herold, confirmed that the playwright died peacefully at his home.
The cause, according to Durangs husband John Augustine, was complications from logopenic primary progressive aphasia.
He remained largely out of the public spotlight since his condition was made public in 2022.
Christopher Durang in 2013Getty
In 1979, Durang and Weaver rewroteDas Lusitania Songspieland presented it at Westside Arts Theatre Off Broadway.
Williams won an Emmy for the special.
Durang is survived by his husband John Augustine.
Services will be private.
There will an announcement regarding plans for a memorial at a future date.
