[cheering] to you, beloved comrade vowake this solemn the fight will go on on fight will still go ♪ wonowhat we've onwill still go the fight will go on ♪ e saidrence harding onc that she had only one hobby and that was her husband. was a significant force despite her husband's infidelities and her own poor health. she would help to define the role of the modern first lady. tonight on the original series "first ladies," examining the public and private lives of the as firstt served ladies from martha washington to michelle obama. on c-span3. 45, 70 years ago, american forces dropped to atomic bombs over japan. up next, peggy bowditch remembers going up in los alamos new mexico next to robert oppenheimer who became known as the father of the atomic bomb. she talks about the party her parents hosted for famous scientist, as well as her family's relationship with the oppenheimer's. this 90 minute oil -- oral history is from the voices of the atomic project. peggy: i was born in washington dc in 1934. navy so weas in the , and irae and there berlin in california and virginia, and then new mexi