dr. vince houghton he is the historian and curator of the museum. he holds a ph.d from the university of maryland where his research centered on u.s. scientific and technological intelligence, specifically nuclear, in the second world war and the cold war which makes him ideally suited to deliver today's talk. he also got his masters degree focusing on the relationship between the u.s. and russia. so you may get some questions focusing on the current difficulties with russia. he's taught extensively, including at the universityon the diplomatic history, cold war and history of sciences. he is a u.s. army veteran, served in the balkans where he assisted in both civilian and military intelligence activities. so we're just delighted to have you as our speaker, as our first speaker. so please help me welcome vince houghton. >> thank you peter. thank all of you for coming here today. getting a chance to talk about the atomic spies, about nuclear intelligence, this is my field this is also my passion. i try to do everything i can to talk about this to any