“At the epicenter of three explosive forces in 1950s America—the birth of Bebop, the spread of Buddhism through the counterculture, and Beat revolutionizing of poetry and prose—sat Jack Kerouac, though I don’t picture him ever sitting for very long. The rhythms that moved through him, through his verse and prose, are too fluid to come to rest. At the end of his life he sat… and drank, a mostly spent force. But in his prime, Kerouac was always on the move, over highways on those legendary road trips, or his fingers flying over the typewriter’s keys as he banged out the scroll manuscript of On the Road in three feverish weeks (so he said). After the publication of On the Road, Kerouac ‘became a celebrity,’ says Steve Allen in introduction to the Beat writer on a 1959 appearance, ‘partly because he’d written a powerful and successful book, but partly…