Audio recording of session H14 of the April 2009 annual meeting of the American Physical Society, held in Denver, Colorado in May 2009. This session was co-sponsored by the American Physical Society (APS) Forum on the History of Physics (FHP) and chaired by Daniel Kleppner of the Massachusetts Institute of Technology. Talks (and speakers) include: "Is Einstein the Father of the Atomic Bomb" (Harry Lustig); "Centrifugation and the Manhattan Project" (Cameron Reed); "Unification Accomplished and Forgotten: The story of H.T. Flint" (James Beichler); "The Clouds of Physics and Einstein's Last Query: Can Quantum Mechanics be Derived from General Relativity?" (Friedwardt Winterberg); "Schreodinger's Unified Field Theory: Physics by Public Relations" (Paul Halpern); "X-Ray Astronomy Discovery Experiments, II" (P.C. Fisher); "The Leviathan and the Whirlpool Nebula" (Trevor Weekes). Topics discussed include fusion and acoustics research, and resonance.