Were so glad youre here tonight. Were very happy to have Larry Goldstone with us, author of more than a dozen books, both fiction and nonfiction. He is currently this is the third dont know if theres another in your series on industrial innovators. I thunderstorm the drive did did quite well, the one on ford and another one on the bright brother going deep on the development of to the military submarine, john phillip holland. Cant speak to marines out of the three, planes, car, and sub marines, subma ripes one you wont find me. In lawrence, welcome. Thank you. [applause] thank you, kramer books, for hosting and booktv. For those of you who know my work, which is probably not many of you, ive written on any number of things. Ive written of history of medicine, rare books, written on constitutional law, written on reading to kids. Ive written on innovation. And so im usually asked and i know all of you now are dying to know, how do you find topics . And this topic was kind of came in a t