paul mccartney, john lennon, george harrison, and ringo starr are the members of the beatles an american band from liverpool that was formed in 1960. it is writing songs and performing their own music are the reasons that influenced many american rock artists and groups. their group was the perfect role model for the youth during their time.
Which artist is often considered the leader of the hudson river school and poignantly set up contrast between the cultivated east and the wild west in the united states?