The Beginning or the End (1947) Characters, Setting & Themes Explained

The film depicts key Manhattan Project locations including the University of Chicago where the first controlled nuclear chain reaction occurred, the remote Los Alamos laboratories in New Mexico, and the island of Tinian in the Pacific from which the Hiroshima bombing mission was launched. The story also follows characters back to their homes in California, showing the domestic impact of the wartime scientific effort.

Foreshadowing: The contrast between the secluded desert laboratories and the domestic American settings highlights the duality of the project, as remote and classified as it was, its consequences touched ordinary homes.

• manhattan project locations
• los alamos
• chicago
• tiantian

The film spans the entire World War II period from 1941, when the United States entered the war, through 1945 and the atomic bombing of Hiroshima on August 6, 1945. It follows the chronological progression from the project's inception and early research phases in 1942 through to the final deployment of the weapon.

Foreshadowing: The 1941-1945 timeframe anchors the entire narrative, making the film's events inseparable from the broader context of global warfare.

• 1940s
• world war 2
• 1945
• hiroshima date
• manhattan project timeline

Yes, The Beginning or the End dramatizes the real history of the Manhattan Project, including the scientific research conducted at the University of Chicago and Los Alamos, the military leadership under General Leslie Groves, and the actual bombing of Hiroshima. The film uses dramatized reenactments alongside archival material to recount these historical events.

Foreshadowing: The film's blend of reenactments and archival footage signals its commitment to historical accuracy, distinguishing it from purely fictional narratives.

• based on true story
• manhattan project history
• historical film

Dr. J. Robert Oppenheimer, portrayed by Hume Cronyn, appears as the leading physicist who both celebrates atomic energy as a scientific achievement and repeatedly warns about its moral dangers. He embodies the central tension of the film, the conflict between scientific curiosity and ethical responsibility as the project moves from laboratory discovery to military weapon.

Foreshadowing: Oppenheimer's warnings early in the film gain tragic weight as the story progresses toward deployment.

• j robert oppenheimer
• lead physicist
• ethical responsibility

Maj. Gen. Leslie R. Groves, played by Brian Donlevy, serves as the project head, tasked with uniting scientists, military personnel, and government officials into a coherent effort. Groves is depicted as a pragmatic, relentless leader who drives the project forward while managing the immense secrecy and logistical challenges. Colonel Jeff Nixon assists Groves in supervising operations and the bomb transport.

Foreshadowing: Groves' decisive, sometimes authoritarian leadership style sets up the tension between military efficiency and scientific deliberation that runs throughout the film.

• leslie groves
• military leadership
• colonel jeff nixon
• project head

Yes, Matt Cochran, a dedicated Manhattan Project scientist working under Fermi and Marré, dies from exposure to radioactive material during the research. His death underscores the very real physical dangers faced by those working with unknown nuclear forces and serves as a stark reminder of the personal cost behind the scientific breakthrough.

Foreshadowing: Cochran's commitment to the mission despite knowing the risks foreshadows the film's theme of scientific sacrifice.

• matt cochran
• scientist death
• radiation exposure
• manhattan project casualties

The film explores how the unprecedented power of atomic energy must be tempered by moral responsibility. Oppenheimer repeatedly voices the warning that incredible scientific power demands equally incredible responsibility. The narrative treats atomic innovation as a dual-edged force capable of both saving lives through ending the war and destroying them through catastrophic destruction.

Foreshadowing: Oppenheimer's ethical warnings, initially seeming like philosophical debate, become hauntingly prophetic as the film approaches Hiroshima.

• atomic ethics
• moral responsibility
• oppenheimer warning
• scientific responsibility

The film portrays nuclear power as a transformative force that shifts from scientific breakthrough to weapon of unprecedented destructive potential. The narrative shows project leaders grappling with how to wield this power, knowing it could end wars or reignite them on an unimaginable scale. The bombing of Hiroshima marks both a turning point in world history and a deeply personal turning point for everyone involved in the project.

Foreshadowing: The film deliberately contrasts the exhilaration of scientific discovery with the horror of the bomb's actual use, building toward Hiroshima as an unavoidable reckoning.

• nuclear power
• atomic bomb
• hiroshima
• destruction
• world war turning point

The title The Beginning or the End refers to the dual nature of atomic energy, as the beginning of a new scientific era and potentially the end of human civilization through nuclear warfare. The film presents this as the defining question of the atomic age: will this power be used to advance humanity or to destroy it?

Foreshadowing: The title's ambiguity runs throughout the film, resolved only in the bittersweet ending that acknowledges both the war's end and the devastating new reality of nuclear weapons.

• title meaning
• atomic age
• nuclear future
• beginning end

Dr. Enrico Fermi, portrayed by Joseph Calleia, appears as the key physicist who guides the team and accelerates the project. He leads the effort that achieves the first controlled nuclear chain reaction at the University of Chicago. The film depicts Fermi as embodying practical genius and a collaborative spirit, working alongside scientists like Matt Cochran and Dr. Marré to turn theoretical knowledge into practical achievement.

Foreshadowing: Fermi's hands-on, pragmatic approach to physics establishes him as the driving force behind the project's scientific success.

• enrico fermi
• first chain reaction
• chicago pile
• nuclear physics

The Beginning or the End is a documentary-style historical drama that combines dramatized reenactments with archival material to recount the Manhattan Project's story. It blends documentary, history, war, and drama genres to create an informative yet emotionally engaging account of atomic bomb development, balancing technical accuracy with human stories.

Foreshadowing: The film's hybrid documentary-drama style allows it to function both as historical record and as emotional narrative.

• documentary drama
• historical film
• war movie
• manhattan project film