Bruce Springsteen remarked in his 1988 speech while inducting Dylan into the Rock and Roll Hall of Fame that "Dylan was a revolutionary." He noted, "While Elvis liberated your body, Bob liberated your mind." The debate surrounding whether rock lyrics qualify as poetry was ignited by earlier seminal works like "A Hard Rain's A-Gonna Fall," "Visions of Johanna," and "Like a Rolling Stone." The undeniable affirmation came when Dylan was awarded the prestigious Nobel Prize in literature, making him the first American to win this honor since novelist Toni Morrison in 1993. The Swedish Academy acknowledged Dylan for "creating new poetic expressions within the grand tradition of American song."
From what I gathered, Bradstreet led a somewhat privileged life in England, whereas John Berryman was named in respect to Mistress Bradstreet. That’s the extent of my knowledge, and I hope this information provides some insight or hints for you.