From Los Angeles NPR Station KPCC:

It is possible Marlon Brando was a star for too long and became famous for being famous – simplified as a movie star, a sex symbol, a lone wolf. Author Susan Mizruchi pores over Brando’s letters, audiotapes, his writings and research to reveal a self-educated intellectual.. “I can report,” she writes, “that Brando’s hunger for knowledge was as insatiable as his more legendary appetites for women and food.” 

Listen here: http://www.scpr.org/programs/airtalk/2014/06/17/37958/the-curious-provocative-mind-behind-marlon-brando/