Who co wrote Imagine with John Lennon?

Did David Bowie co write Imagine with John Lennon?
David Bowie did not co-write John Lennon's Imagine which was released in 1971, as Lennon didn't even know about Bowie at this point. Lennon said much of the song's lyrics and content came from his wife, Yoko Ono.
Why did John Lennon write the song imagine?
“Imagine” was inspired heavily by Ono, who used the word in many of her 1960s conceptual art works. The night Lennon met her in London's Indica Gallery in 1966, he climbed a ladder to look at one of these, “Cloud Piece”. “Imagine a cloud dripping,” ran its words. “Dig a hole in your garden to put it in.”Apr 5, 2020
Who gets royalties for Imagine?
Adding Ono to “Imagine” will extend the song's copyright by 70 years past her death. Ono is already a beneficiary of Lennon's estate, so how royalties from the song are distributed likely will not change significantly, according to Variety.Jun 15, 2017
Is Imagine about the Vietnam War?
John Lennon described the song as “an ad campaign for peace”, and it is no surprise that his moving anthem is such a beacon for those who long for global harmony. “Imagine,” written in March 1971 during the Vietnam War, has become a permanent protest song and a lasting emblem of hope.

