the dumbest thing he ever did was to tell richard preston about it. [laughter] peter is, indeed, you know, a good friend of mine today, and he's come back again and again. he's been in "demon in the freezer," he was a major character. he was a source for two of my books without, you know, being in the fore ground. and i'm now at work on another book, and i think peter will be back in that one as well. so i know this is a long way of answering your question. so it's a matter of taking notes and getting to know my subjects. in this case i did not go to west africa. i did all of my reporting at mit and also at an nih laboratory in maryland, and i never went to africa. i will be going to africa for the course of the research on this book. and i never met humar khan, and i never saw the kenema hospital. but what i did do was i got to know members of his family. he has siblings, brothers and sisters, who live in the united states. and it's an extraordinary family. and i got a real kind of feel for this guy just by talking to the people who loved him. so tha

the second was to tell richard preston about it. but peter is indeed a good friend of mine today in east come back again and again. he was a major care there indeed been in the freezer. he was a source for two of my books without being in the foreground. i now work on another book in pa will be back in that one as well. i know this is a long way of answering your question. so it is a matter of taking us in getting to know my subjects. in this case i did not go to west africa. i did all of my reporting at m.i.t. and also in nih laboratory in maryland and i never went to africa. i will be going to africa for the course of the research on this book. i never met kumar khan and i never saw the cat in the hospital. what i did do was i got to know members of the family. he has brothers and sisters in the united states and it's an extra area family. i got a real feel for this guy by talking to the people who loved him. so that is how i did this particular piece of research. at about half an answer or not. >> i was wondering if you could com

professor kroeger >> today is my pleasure to introduce my speaker richard preston headed his undergraduate work who got his ph.d. in english from princeton university studying nonfiction writing and another on a variety of topics of redwoods and a children's story there are many nonfiction pieces including a piece just twice -- last week inside the ebola virus. it published a hot zone with the accidental outbreak with a colony of research monkeys and it sold millions of copies and terrified millions of readers. for example, stephen king wrote it is one of the most horrifying things i have ever read. and then it gets worse. [laughter] i am also a surer "the hot zone" inspired many of the readers to consider and pursue that epidemiology that it yules curiosity of what we know today. the most recent massive outbreak occurring for the first time in west africa now "the hot zone" is back onto the national best-seller list 20 years after the publication. i always had a particular fascination for the insidious ingenuity have infectious diseases so it is the pleasure to bring this element i am hap

the dumbest thing he's ever done is to tell richard preston zubaydah. peter is a good friend of mine and he has come back again and again. he has been a demon in the freezer or major character. he was a source for two of my books without being in the foreground and i'm now at work on another book and i think peter will be back in that one as well. in all this is a long way to answering your question. it's a matter of taking notes and getting to know my subjects. in this case i did not go to west africa. i did all of my reporting at m.i.t. and also at an nih laboratory in maryland that i never went to africa. i will be going to africa through the course of the research on this book. i never met humarr khan and i never saw the kenema hospital. but what i did do was i got to know members of his family. he had brothers and sisters who lived in the united states ended it with an extraordinary family. i got a real feel for this guy just by talking to the people who love him. so that's how i did this particular piece of research. i don't know bustamante or not

. >> up next richard preston talk about the discovery of the ebola virus and the latest ebola outbreak in several west african countries. his 1994 best selling book hot zone be picked in 1989 outbreak in western the junior. the book is once again on the new york times best-seller list. mr. preston spoke at yale university in newhaven, connecticut. guides >> today it is