Chapter 2: The Lawyer in World War IIJames B. Donovan — From New York Attorney to Wartime Intelligence Officer

Chapter 2: The Lawyer in World War II

James B. Donovan — From New York Attorney to Wartime Intelligence Officer

James B. Donovan's transformation during the Second World War was one of the most consequential stages of his life. Before the war, he was a young Harvard-trained lawyer building a conventional legal career. Within a few years, he would become a U.S. Navy Commander, intelligence lawyer, and General Counsel of the Office of Strategic Services (OSS)—the wartime organisation that preceded the CIA. 

His wartime experience would later prove invaluable when he entered the dangerous world of Cold War espionage and international negotiation.

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1. America Enters a Dangerous New Era

When Donovan graduated from Harvard Law School in 1940, the world was already being consumed by war.

Nazi Germany had conquered large parts of Europe, Britain was fighting for survival, and the United States was watching the conflict with increasing concern.

For Donovan, this was the beginning of a dramatic professional transformation.

He had originally imagined a career connected with journalism and ordinary legal practice. Instead, the international crisis created an entirely different path.

The lawyer would soon have to learn how governments functioned during wartime, how intelligence was collected, and how legal decisions could influence military operations.

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2. Washington: Where Law Met Science

In 1942, Donovan moved into wartime government work in Washington, D.C.

He became Associate General Counsel of the Office of Scientific Research and Development (OSRD). Harvard Law School records describe this organisation as the federal agency involved in major wartime scientific research, including work connected with the development of the atomic bomb. 

This was a completely different environment from a normal law office.

Scientists were developing new technologies.

Military planners were preparing operations.

Government officials were handling classified information.

And lawyers had to determine how these extraordinary activities could operate within the government's legal framework.

Donovan was now standing at the intersection of:

Law + Science + Military Power + National Security.

That combination would become central to his career.

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3. From OSRD to the OSS

In 1943, Donovan moved into the Office of Strategic Services, commonly known as the OSS.

The OSS was America's wartime intelligence organisation and later became one of the important institutional predecessors of the CIA. Donovan eventually served as its General Counsel. 

This was a major turning point.

The ordinary lawyer had entered the world of intelligence.

The OSS dealt with activities that were often secret, unconventional and extremely sensitive.

Its personnel worked with:

intelligence collection,

espionage,

counterintelligence,

psychological warfare,

resistance movements,

strategic analysis,

covert operations,

and military planning.

Donovan's legal expertise became useful because these operations raised difficult questions about authority, evidence, responsibility and international law.

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4. The Lawyer Inside the Intelligence Machine

Donovan was not simply sitting behind a desk reading legal documents.

His position exposed him to the machinery of wartime intelligence.

He had to understand how information moved through government agencies and how intelligence could influence military decisions.

This experience taught him something that ordinary legal practice could not easily teach:

> Information is power—but information without interpretation can also become a liability.

A lawyer asks:

What do we know?

An intelligence officer asks:

How do we know it?

A negotiator eventually asks:

What does the other side know that we don't?

Donovan's wartime career gradually trained him to think in all three ways.

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5. Commander James B. Donovan

Donovan served as a United States Navy officer and eventually attained the rank of Commander. The U.S. National Archives' OSS personnel records list James B. Donovan as a Commander. 

This military experience was important.

He was no longer merely a civilian lawyer advising government officials.

He now understood military hierarchy, wartime discipline and the pressures under which commanders operated.

That combination—lawyer + military officer + intelligence specialist—was unusual.

And it would later make Donovan particularly effective in situations where legal, military and diplomatic interests collided.

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6. The War Changed the Meaning of “Evidence”

Perhaps the most important lesson Donovan learned during World War II concerned evidence.

In an ordinary courtroom, evidence might consist of:

documents,

witnesses,

photographs,

physical objects,

financial records,

or testimony.

But wartime intelligence produced enormous quantities of information.

The challenge was not simply finding evidence.

The challenge was determining:

What is authentic?

Who created it?

When was it created?

What does it prove?

Can it withstand hostile examination?

These questions would become extremely important when Donovan later worked at the Nuremberg trials.

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7. The Collapse of Nazi Germany

By 1945, Nazi Germany was collapsing.

Allied forces were entering German territory and discovering evidence of the enormous crimes committed by the Nazi regime.

The scale of the atrocities created an unprecedented legal problem.

How could individuals responsible for state-sponsored crimes be brought before an international tribunal?

How could their crimes be demonstrated?

And how could the world distinguish between accusation and legally established fact?

Donovan was about to become part of the answer.

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8. Donovan Goes to Nuremberg

In 1945, Donovan joined the American prosecution effort at the International Military Tribunal at Nuremberg, working with U.S. Chief Prosecutor Robert H. Jackson. 

This was a historic moment.

The defendants included some of the most senior surviving figures of Nazi Germany.

The prosecution needed to establish the facts surrounding:

aggressive war,

persecution,

mass atrocities,

concentration camps,

and systematic Nazi crimes.

Donovan's wartime experience made him particularly suited to this task.

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9. The Camera Becomes a Witness

One of Donovan's most important responsibilities at Nuremberg was the handling of photographic and motion-picture evidence.

A 1945 affidavit preserved by Harvard's Nuremberg Trials Project states that Donovan was responsible for the overall direction and supervision of photographic evidence intended for the prosecution. 

Think about the significance of this.

A witness could be attacked by opposing counsel.

A document could be dismissed as incomplete.

But photographic evidence could confront the tribunal with something visually undeniable.

The camera became, in a sense, another witness.

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10. “Nazi Concentration Camps”

During the Nuremberg proceedings, films documenting concentration-camp atrocities were shown to the tribunal.

The official trial transcript records Donovan introducing the film “Nazi Concentration Camps” and explaining the documentary evidence and affidavits associated with it. 

This was not merely cinematic material.

It was being presented as legal evidence.

The objective was to establish the reality and scale of Nazi crimes before an international court.

The psychological impact was enormous.

The tribunal was not merely reading about atrocities.

It was being confronted with visual evidence of what had actually happened.

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11. “The Nazi Plan”

Donovan also supervised the preparation of The Nazi Plan, a documentary constructed from captured German film material.

His official affidavit states that the film was produced in Berlin between August and November 1945, using material from German newsreels, propaganda organisations and other captured sources. 

The significance was enormous.

The Nazis had created propaganda to glorify their regime.

Donovan and the prosecution team now used portions of that same visual record as evidence against the regime.

In other words:

The regime's own propaganda became part of the historical evidence used to expose it.

That is a remarkable reversal.

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12. The Lawyer Learns the Psychology of Power

Nuremberg taught Donovan another lesson that would later become crucial:

People do not negotiate only with facts. They negotiate with perceptions, fear, pride and interests.

At Nuremberg, he witnessed the consequences of political extremism.

He saw how propaganda could influence populations.

He saw how governments could manipulate information.

He saw how ordinary institutions could be transformed into instruments of oppression.

Years later, when Donovan negotiated with Soviet officials and Cuban authorities, this experience would give him a sophisticated understanding of the psychological dimension of international conflict.

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13. From War Crimes to Cold War

After World War II, the battlefield changed.

The Nazi threat had been defeated.

But another confrontation was emerging:

United States 🇺🇸

vs.

Soviet Union 🇷🇺

The Cold War would create a new world of espionage, ideological confrontation and covert operations.

Donovan had already experienced:

war → intelligence → military power → international law → propaganda → negotiation.

He was therefore unusually prepared for the next chapter of history.

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14. Why World War II Made Donovan Different

Many lawyers understood law.

Many military officers understood warfare.

Many intelligence officers understood espionage.

Donovan had experienced elements of all three worlds.

That was his real advantage.

His career could be understood as a chain:

Harvard Law → OSRD → OSS → U.S. Navy → Nuremberg → Cold War

Each stage added another weapon to his professional arsenal.

His most powerful weapon, however, was not a gun.

It was persuasion.

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15. The Future Negotiator Is Being Created

At this point in Donovan's life, nobody could yet know that he would eventually become famous for negotiating one of the most dramatic prisoner exchanges of the Cold War.

But the foundations were already there.

His legal education taught him reasoning.

His Navy service taught him discipline.

The OSS taught him intelligence.

Nuremberg taught him international law and the power of evidence.

Together, these experiences produced something rare:

> A lawyer capable of entering rooms where governments were enemies and still finding a way to talk.

That would become the defining characteristic of James B. Donovan.

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Conclusion: The Lawyer Who Entered the Secret World

James B. Donovan's World War II career transformed him from a promising young attorney into a sophisticated government lawyer with experience in military affairs, intelligence, scientific research and international criminal justice. 

The war gave Donovan something that a law school could never provide:

experience with real power.

He learned how governments operate under pressure.

He learned how intelligence becomes evidence.

He learned how propaganda shapes perception.

And at Nuremberg, he witnessed what happens when political power is allowed to operate without meaningful legal and moral restraints.

Years later, these lessons would return when he was asked to defend one of America's most hated prisoners:

Colonel Rudolf Abel.

And that brings us to the next dramatic chapter:

Chapter 3 — The Aftermath of War: Trying Its Criminals

This is where Donovan moves from wartime intelligence into the extraordinary legal world of Nuremberg and the prosecution of Nazi war criminals—the experience that would ultimately shape his philosophy of justice.