Richard Feynman: Biography, IQ, Quotes & Views

Few scientists manage to become cultural icons, but Richard Feynman did it without trying. He was a Nobel Prize-winning physicist who also taught himself to draw, play the bongo drums, and crack safes at Los Alamos. This guide covers his life, his legendary quotes, his reported IQ, and what he actually thought about God and Einstein.

Born: May 11, 1918 ·
Died: February 15, 1988 ·
Nobel Prize in Physics: 1965 ·
Known for: Quantum electrodynamics, Feynman diagrams ·
Notable work: The Feynman Lectures on Physics

Quick snapshot

1Scientist

• Nobel Prize in Physics (NobelPrize.org)
• Quantum electrodynamics (NobelPrize.org)
• Feynman diagrams (Britannica)

2Teacher

• The Feynman Lectures on Physics (RichardFeynman.com)
• Popular educator (NobelPrize.org)
• Mentor to many (RichardFeynman.com)

3Author

• Surely You’re Joking, Mr. Feynman! (RichardFeynman.com)
• What Do You Care What Other People Think? (RichardFeynman.com)
• Six Easy Pieces (Britannica)

4Manhattan Project

• Worked at Los Alamos (RichardFeynman.com)
• Helped develop the atomic bomb (RichardFeynman.com)
• Role in criticality safety (Britannica)

The four roles above—scientist, teacher, author, bomb-builder—each reveal a different side of Feynman. The pattern: he never separated serious work from playful curiosity.

Key biographical facts at a glance — from birth to Nobel Prize.

Attribute	Detail
Full Name	Richard Phillips Feynman
Born	May 11, 1918, New York City, USA
Died	February 15, 1988, Los Angeles, USA
Known for	Quantum electrodynamics, Feynman diagrams, path integral formulation
Awards	Nobel Prize in Physics (1965), Albert Einstein Award, Oersted Medal
Education	MIT (B.S.), Princeton University (Ph.D.)

What Is Richard Feynman Most Famous For?

His Nobel Prize in Physics

Feynman shared the 1965 Nobel Prize in Physics with Julian Schwinger and Shin’ichirō Tomonaga for their foundational contributions to quantum electrodynamics (QED) (the official Nobel Prize archive). QED remains the most precise theory in physics, predicting phenomena like the electron’s magnetic moment to ten decimal places. The Nobel citation specifically praised their work in deepening the understanding of how light and matter interact.

Involvement in the Manhattan Project

In 1942, Feynman was recruited to join the Manhattan Project and became a group leader at the Los Alamos laboratory (the official biographical site RichardFeynman.com). At age 25, he was put in charge of the theoretical division’s computing group — a team that used punch-card calculators to perform the complex calculations needed for the atomic bomb. He also famously taught himself to crack the combination safes used to store classified documents.

Feynman Diagrams

Feynman invented the pictorial representations now known as Feynman diagrams, which allow physicists to visualize and calculate the interactions of subatomic particles (Britannica, the authoritative encyclopedia). These diagrams transformed quantum field theory by replacing dense algebraic equations with intuitive line drawings. They remain standard tools in high-energy physics today.

The through line across all three achievements: Feynman’s instinct to reframe complex problems in visual, accessible terms. That same instinct made him one of the great explainers of science.

What Did Einstein Think of Feynman?

Einstein’s comments on Feynman’s work

Albert Einstein reportedly praised Feynman’s early work on quantum electrodynamics. While no direct written correspondence between the two has been widely published, colleagues have recalled that Einstein was impressed by the young physicist’s approach. Einstein himself was skeptical of the prevailing Copenhagen interpretation of quantum mechanics, famously declaring that “God does not play dice with the universe.”

What Did Einstein Say About God?

Einstein’s most famous remark on the subject was: “God does not play dice.” He also stated, in a 1954 letter, that he did not believe in a personal God who concerns himself with human affairs (Britannica, the authoritative encyclopedia). Feynman and Einstein shared a respectful intellectual distance — they met only a few times — but their views on quantum mechanics placed them on opposite sides of a fundamental debate.

The takeaway: Einstein recognized Feynman’s talent, but they never became close collaborators. Their relationship was professional admiration from a distance.

What Was the IQ of Feynman?

Feynman’s IQ score estimates

Richard Feynman’s IQ has been widely estimated at around 125–130 — a score that falls within the “above average” to “superior” range, but not in the “genius” category by standard IQ test metrics. No definitive test result from a certified source has ever been published. The estimate comes from biographical accounts and has been repeated widely in popular culture.

Feynman’s own thoughts on IQ tests

Feynman was famously skeptical of IQ tests. In his autobiographical book “Surely You’re Joking, Mr. Feynman!”, he recounts how he scored 124 on an IQ test at Princeton — and then used his score as a teaching point about the limits of such tests (RichardFeynman.com, the official biographical site). He argued that IQ scores measured test-taking ability, not real intelligence or creativity.

What Was Richard Feynman’s Most Famous Quote?

I think I can safely say that nobody understands quantum mechanics

One of Feynman’s most quoted lines comes from a 1964 lecture: “I think I can safely say that nobody understands quantum mechanics.” The remark captures his humility as a scientist and his frustration with the counterintuitive nature of quantum theory (the official Nobel Prize archive).

The first principle is that you must not fool yourself

Another iconic Feynman quote comes from his 1974 Caltech commencement address: “The first principle is that you must not fool yourself — and you are the easiest person to fool.” He used this line to emphasize intellectual honesty and the scientific method’s demand for rigorous self-criticism (RichardFeynman.com, the official biographical site).

What Did Feynman Say About God?

Feynman’s agnosticism

Feynman described himself as an agnostic. In interviews and lectures, he rejected both dogmatic atheism and religious belief, preferring a position of not knowing. He said that the question of God’s existence was one that science could not answer and that he preferred to remain open to the possibility rather than claiming certainty about something unknowable (Britannica, the authoritative encyclopedia).

His last words

Feynman’s last words are reported in multiple versions. The most commonly cited account comes from his wife Gweneth, who recalled him saying, “I’d hate to die twice. It’s so boring.” Other accounts report him saying nothing at all before his death from cancer on February 15, 1988 (RichardFeynman.com, the official biographical site). The uncertainty itself is fitting for a man who insisted on intellectual honesty over comfortable stories.

Timeline: Feynman’s Life in Brief

• 1918: Born in New York City (NobelPrize.org)
• 1942: Received his Ph.D. from Princeton University (NobelPrize.org)
• 1943–1945: Worked on the Manhattan Project at Los Alamos (RichardFeynman.com)
• 1965: Awarded the Nobel Prize in Physics (NobelPrize.org)
• 1988: Died of cancer in Los Angeles (NobelPrize.org)

What’s confirmed, what’s unclear

Key quotes in context

“I think I can safely say that nobody understands quantum mechanics.”

— Richard Feynman, from a 1964 lecture

“The first principle is that you must not fool yourself — and you are the easiest person to fool.”

— Richard Feynman, 1974 Caltech commencement address

“God does not play dice with the universe.”

— Albert Einstein, responding to quantum indeterminacy

“I’d hate to die twice. It’s so boring.”

— Richard Feynman, as reported by his wife (last words)

Final reflection: The Feynman paradox

Richard Feynman was a man of paradoxes: a genius who scored 124 on an IQ test, a Nobel laureate who never stopped playing, a physicist who admitted nobody understands quantum mechanics. For anyone looking to understand why science still captures the public imagination, the answer is Feynman. The implication: engage with his ideas directly — through his lectures, his books, or his diagrams — or miss the chance to learn from one of the 20th century’s most original minds.

Frequently asked questions

Did Feynman have a PhD?

Yes, Richard Feynman earned his Ph.D. from Princeton University in 1942 (NobelPrize.org).

Where did Feynman study?

He studied at MIT (B.Sc., 1939) and Princeton University (Ph.D., 1942) (NobelPrize.org).

What is the Feynman learning technique?

The Feynman Learning Technique is a four-step method: pick a concept, explain it as if teaching a child, identify gaps in your explanation, and then review and simplify. It emphasizes understanding over memorization.

How did Feynman die?

Feynman died of abdominal cancer on February 15, 1988, in Los Angeles (NobelPrize.org).

What is the Feynman point in pi?

The Feynman Point is a sequence of six 9’s starting at the 762nd decimal place of π. Feynman jokingly said he wanted to memorize π up to that point so he could recite “three point one four one five nine two six five three five eight nine seven nine — and so on.”

What was Feynman’s contribution to quantum computing?

Feynman was among the first to propose the concept of a quantum computer, arguing that classical computers would struggle to simulate quantum systems. His 1981 lecture “Simulating Physics with Computers” is considered foundational to the field.

Did Feynman have a high IQ?

Feynman’s IQ is estimated around 125–130, but no verified score exists. He himself was skeptical of IQ tests, calling them limited measures of real ability (RichardFeynman.com).