Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man smoking.]

Columbia University [Unidentified man.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Man speaking at a dinner.]

Columbia University [Dwight Eisenhower speaking at a dinner.]

Columbia University [Dwight Eisenhower speaking at a dinner.]