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First Amendment in flux: When free speech protections came up against the Red Scare

By Eric November 21, 2025

In the context of rising book bans and government interventions in the United States, the legacy of the First Amendment’s protection of free speech is being tested once again. The Cold War era, particularly the late 1940s and 1950s, serves as a historical backdrop that highlights the fragility of these rights. In 1947, the House Un-American Activities Committee (HUAC) summoned ten prominent Hollywood screenwriters and directors, collectively known as the Hollywood Ten, to testify about their alleged communist affiliations. Defying the committee, they invoked their First Amendment rights, which ultimately led to their convictions for contempt of Congress. Eight of them served prison sentences, and all faced blacklisting, significantly impacting their careers and the broader cultural landscape. This period, known as the Second Red Scare, instilled a chilling effect on free expression, demonstrating how political paranoia can undermine constitutional protections.

As the hearings progressed, many artists opted for a different approach by invoking the Fifth Amendment, which protects individuals from self-incrimination. This shift marked a strategic retreat from the First Amendment, as witnesses sought to evade the harsh penalties faced by the Hollywood Ten. Notable figures like playwright Lillian Hellman and singer Paul Robeson chose to plead the Fifth, effectively shielding themselves from imprisonment but not from the stigma of being labeled “unfriendly.” The term, coined by HUAC, became synonymous with those who refused to comply with the committee’s demands. However, this tactic did not prevent job losses or blacklisting, as the fear of communist infiltration loomed large over American society.

The tide began to turn in the early 1950s, notably with the influence of physicist Albert Einstein, who championed the First Amendment as a means of resistance against McCarthyism. Einstein’s advocacy inspired witnesses like engineer Albert Shadowitz and folk musician Pete Seeger to assert their rights to free speech during congressional hearings. Seeger notably challenged the committee’s authority by refusing to answer questions about his political beliefs, while playwright Arthur Miller also rejected the Fifth Amendment in favor of speaking out against the inquiry itself. As public sentiment shifted and McCarthy’s influence waned, these acts of dissent revitalized the conversation around free expression. Although the Hollywood Ten suffered severe consequences, the eventual triumph of dissenting voices like Seeger and Miller underscored the resilience of the First Amendment, illustrating that while strategic compliance can serve individuals, courageous acts of defiance are essential for safeguarding the rights of all citizens.

Hollywood screenwriter Samuel Ornitz speaks before the House Un-American Activities Committee in Washington, D.C., on Oct. 29, 1947.

UPI/Bettmann Archive via Getty Images
As the United States faces
increasing incidents of book banning
and threats of
governmental intervention
– as seen in
the temporary suspension of TV host Jimmy Kimmel
– the common reflex for many who want to safeguard free expression is to turn to the
First Amendment
and its free speech protections.

Yet, the First Amendment has not always been potent enough to protect the right to speak. The Cold War presented one such moment in American history, when the freedom of political expression collided with
paranoia over communist infiltration
.

In 1947, the
House Un-American Activities Committee

subpoenaed 10 screenwriters and directors
to testify about their union membership and alleged communist associations. Labeled the
Hollywood Ten
, the defiant witnesses – Alvah Bessie, Herbert Biberman, Lester Cole, Edward Dmytryk, Ring Lardner Jr., John Howard Lawson, Albert Maltz, Samuel Ornitz, Adrian Scott and Dalton Trumbo – refused to answer questions on First Amendment grounds. During his dramatic testimony, Lawson proclaimed his intent “to fight for the Bill of Rights,” which he argued the committee “was trying to destroy.”

They were
all cited for contempt of Congress
. Eight were sentenced to a year in federal prison, and two received six-month terms. Upon their release, they
faced blacklisting in the industry
. Some, like writer Dalton Trumbo,
temporarily left the country
.

As a
researcher focused on the cultural cold war
, I have examined the role the First Amendment played in the anti-communist hearings during the 1940s and ’50s.

The conviction and incarceration of the Hollywood Ten left a
chilling effect on subsequent witnesses
called to appear before congressional committees. It also established a period of repression historians now refer to as the
Second Red Scare
.

Although the freedom of speech is enshrined in the Constitution and prized by Americans, the story of the Second Red Scare shows that this freedom is even more fragile than it may now seem.

The Fifth Amendment communists

After the 1947 hearings, the term “
unfriendly
” became a label applied by the House Un-American Activities Committee and the press to the Hollywood Ten and any witnesses who refused to cooperate with the committee. These witnesses, who wanted to avoid the fate of the Hollywood Ten, began to shift away from the First Amendment as a legal strategy.

They chose instead to plead the
Fifth Amendment
, which grants people the right to protect themselves from self-incrimination. Many prominent artists during the 1950s, including playwright
Lillian Hellman
and singer and activist
Paul Robeson
, opted to invoke the Fifth when called before the committee and asked about their political affiliations.

The
Fifth Amendment shielded hundreds
of “unfriendly” witnesses from imprisonment, including artists, teachers and federal workers. However, it did not save them from
job loss and blacklisting
.

While they could avoid contempt citations by pleading the Fifth, they could not erase the stain of perceived guilt. This legal approach became so widespread that
U.S. Sen. Joseph McCarthy
, the country’s leading anti-communist crusader, disparaged these witnesses as “
Fifth Amendment Communists
” and boasted of purging their ranks from the federal government.

Three portraits of Albert Einstein taken in Princeton, N.J., in March 1953.

AP Photo

From Fifth back to First

In 1953, the physicist Albert Einstein became instrumental in
revitalizing the force of the First Amendment
as a rhetorical and legal tactic in the congressional hearings. Having fled Germany after the Nazis came to power, Einstein took a position at Princeton in 1933 and became an important voice in American politics.

Einstein’s philosophical battle against McCarthyism began with
a letter to a Brooklyn high school teacher
named William Frauenglass.

In April of that year, Frauenglass was subpoenaed to appear before the Senate Internal Security Subcommittee, “
the Senate counterpart
” of the House Un-American Activities Committee, to testify about his involvement in an intercultural education seminar. After the hearing, in which Frauenglass declined to speak about his political affiliations, he risked potential termination from his position and wrote to Einstein seeking support.

In his response, Einstein urged Frauenglass and all intellectuals to enact a “
revolutionary” form of complete “noncooperation
” with the committee.

While Einstein advised noncompliance, he also
acknowledged the potential risk
: “Every intellectual who is called before one of the committees ought to refuse to testify, i.e., he must be prepared for jail and economic ruin, in short, for the sacrifice of his personal welfare in the interest of the cultural welfare of his country.”

Frauenglass shared his story with the press, and
Einstein’s letter was published in full
in The New York Times on June 12, 1953. It was also quoted in local papers around the country.

One week later, Frauenglass was fired from his job.

After learning about Einstein’s public position, McCarthy labeled the Nobel laureate “
an enemy of America
.” That didn’t stop Einstein’s campaign for freedom of expression. He continued to encourage witnesses to rely on the First Amendment.

When the engineer
Albert Shadowitz received a subpoena in 1953
to appear before McCarthy’s Senate Permanent Subcommittee on Investigations, to answer questions about alleged ties to the Communist Party, he traveled to Einstein’s home to seek out the physicist’s advice. After consulting with Einstein, Shadowitz opted for the First Amendment over the Fifth Amendment.

On Dec. 16, 1953,
Shadowitz informed the committee
that he had received counsel from Einstein. He then voiced his opposition to the hearing on the grounds of the First Amendment: “I will refuse to answer any question which invades my rights to think as I please or which violates my guarantees of free speech and association.”

He was cited for contempt in August 1954 and indicted that November, facing a potential year in prison and US$1,000 fine. As an indicator of McCarthy’s diminishing power, the charge was thrown out in July 1955 by a federal judge.

Singer Paul Robeson appears before the House Un-American Activities Committee in Washington, D.C., in 1956.

Bettmann Archive/Getty Images

The triumph of dissent

Well-known public figures also began to turn away from the Fifth Amendment as a legal tactic and to draw on the First Amendment.

In August 1955, when the
folk musician Pete Seeger
testified before the House Un-American Activities Committee, he voiced his rejection of the Fifth Amendment defense during the hearing. Seeger asserted that he wanted to use his testimony to call into question the nature of the inquiry altogether.

Pleading the protection of the First Amendment,
Seeger refused
“to answer any questions” related to his “political beliefs” and instead interrogated the committee’s right to ask such questions “under such compulsion as this.”

When the
playwright Arthur Miller
was subpoenaed by the committee in 1956, he also refused to invoke the Fifth. Both were cited for contempt. Seeger was sentenced to a year in prison. Miller was given the option to pay a $500 dollar fine or spend 30 days in jail.

As Seeger and Miller fought their appeals in court, McCarthy’s popularity continued to wane, and public sentiment began to shift.

Prompted by Einstein, the noncompliant witnesses in the 1950s reshaped the public discussion, refocusing the conversation on the importance of freedom of expression rather than the fears of imagined communist infiltration.

Although the First Amendment failed to keep the Hollywood Ten out of prison, it ultimately prevailed. Unlike the Hollywood Ten, both Miller and Seeger won their appeals. Miller spent no time in prison and Seeger only one day in jail. Miller’s conviction was reversed in 1958, Seeger’s in 1962. The Second Red Scare was over.

As the Second Red Scare shows, when free speech is under attack, strategic compliance may be useful for individuals. However, bold and courageous acts of dissent are critical for protecting First Amendment rights for everyone.

I met Pete Seeger personally while directing a documentary film about his environmental legacy.

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