This question relates to the film clip from "Uranium: Twisting the Dragon's Tail, Part 1." The following events are related to the development of the atomic bomb. List the events in chronological order, starting with 1 as the earliest. A uranium bomb is dropped over Hiroshima, Japan. Albert Einstein proposes that mass and energy are interchangeable. Albert Einstein writes a letter to President Roosevelt warning him about the possible development of an atomic bomb in Germany. A German scientist (Otto Hahn) splits a uranium atom for the first time. Leo Szilard develops the idea of a chain reaction. The Manhattan Project begins.

This question relates to the film clip from "Uranium: Twisting the Dragon's Tail, Part 1." The following events are related to the development of the atomic bomb. List the events in chronological order, starting with 1 as the earliest. A uranium bomb is dropped over Hiroshima, Japan. Albert Einstein proposes that mass and energy are interchangeable. Albert Einstein writes a letter to President Roosevelt warning him about the possible development of an atomic bomb in Germany. A German scientist (Otto Hahn) splits a uranium atom for the first time. Leo Szilard develops the idea of a chain reaction. The Manhattan Project begins.