An early glimpse at an upcoming film from Ric Burns, featuring the life and times of prolific author and neurological anthropologist, Oliver Sacks. This clip will first be shown on March 30th at 10 pm ET as part of TED Talks: Science and Wonder, the first of a three-part PBS series of one-hour television specials recorded at the Town Hall Theater in New York. See also Oliver Sacks' TED Talk from 2009, What hallucination reveals about our minds: ted.com/talks/oliver_sacks_what_hallucination_reveals_about_our_minds.