which american poet won a grammy award for writing a johnny cash song

The American poet who won a Grammy Award for writing a Johnny Cash song is Shel Silverstein. He wrote the song "A Boy Named Sue," which Johnny Cash famously performed live at San Quentin State Prison in 1969. This song earned Silverstein the 1970 Grammy Award for Best Country Song. Silverstein was known as a poet, songwriter, and children's author, and his work combined humor and emotional depth, making "A Boy Named Sue" a unique and lasting hit in Cash's repertoire.