“During that time, more than four million patient theatergoers have waited in line to see a potent mix of raw talent, seasoned stage veterans and Hollywood imports do battle against the Central Park fauna, the occasional helicopter and the more than occasional thunderstorm to perform the classics free.” Delacorte vets – from Jerry Stiller to Meryl Streep to Liev Schreiber to longtime stage manager Buzz Cohen – look back.