. ♪ miles: elie wiezel was 15 when he was sent to the auschwitz concentration camp in poland with hisily in 1944. he was ultimately freed in 1945. in 1958, he wrote about that painful experience in his first book. in 1978, president jimmy carter appointed him chairman of commission on the holocaust. his efforts led to the establishment of the united states holocaust memorial museum in washington. in 1986, you was awarded the noble with a committee calling him an important spiritual leader. he was a guest of charlie's more than one dozen times over the years. here is a look back at some of those conversations. >> the last thing we remember, what about the things we don't remember? for every word i want to say, there must be 10 i don't say. nobody could ever know it ever existed in my mind. charlie: is it a powerful emotion in you that the time will come in which there will be no one who lived through the holocaust? >> in my case, it is truly the most profound anguish i ever had. we are here, we are alive and already today, many people don't believe us. charlie: many, you think? >> many