Scientists
America's rich tradition of scientific discovery and technological innovation. Scientists, inventors, and pioneers whose work has had a profound impact on the world.

Albert Einstein

Albert Einstein

Theoretical physicist whose theory of relativity revolutionized our understanding of space, time, and energy. Although born in Germany, he became an American citizen and made significant contributions to American science.

Richard Feynman

Richard Feynman

Theoretical physicist known for his work in quantum mechanics, quantum electrodynamics, and his role in the development of the atomic bomb during the Manhattan Project.

Thomas Edison

Thomas Edison

Inventor and businessman who developed many devices including the phonograph, the motion picture camera, and the practical electric light bulb.

Nikola Tesla

Nikola Tesla

Inventor and electrical engineer known for his contributions to the development of alternating current (AC) electrical systems. Though born in Serbia, he became an American citizen and significantly influenced American technology.

Carl Sagan

Carl Sagan

Astrophysicist, cosmologist, and science communicator, known for his work on extraterrestrial life and his popular science books and TV series "Cosmos."

James Watson

James Watson

Molecular biologist, geneticist, and zoologist who co-discovered the structure of DNA, earning the Nobel Prize in Physiology or Medicine.

Linus Pauling

Linus Pauling

Chemist, biochemist, and peace activist who won the Nobel Prize in Chemistry for his work on the nature of the chemical bond and the Nobel Peace Prize for his anti-nuclear activism.

Robert Oppenheimer

Robert Oppenheimer

Theoretical physicist and scientific director of the Manhattan Project, which developed the first nuclear weapons during World War II.

Jonas Salk

Jonas Salk

Medical researcher and virologist who developed the first successful polio vaccine.

Katherine Johnson

Katherine Johnson

Mathematician whose calculations of orbital mechanics were critical to the success of NASA's manned spaceflights.

Richard Dawkins

Richard Dawkins

Evolutionary biologist and author known for his work in ethology and evolutionary theory, and his book "The Selfish Gene."

E.O. Wilson

E.O. Wilson

Biologist known for his work on biodiversity, biogeography, and the study of ants, often referred to as the "father of sociobiology."

Robert H. Goddard

Robert H. Goddard

Engineer, professor, physicist, and inventor who is credited with creating and building the world's first liquid-fueled rocket.

Carl Linnaeus

Carl Linnaeus

Swedish botanist, physician, and zoologist who formalized the modern system of naming organisms called binomial nomenclature. His influence extended to American botany and taxonomy.

Jane Goodall

Jane Goodall

Primatologist and anthropologist known for her long-term study of wild chimpanzees in Tanzania, contributing significantly to the understanding of primates and animal behavior.

Rachel Carson

Rachel Carson

Marine biologist and conservationist whose book "Silent Spring" advanced the global environmental movement.

John von Neumann

John von Neumann

Mathematician, physicist, computer scientist, and polymath who made major contributions to a range of fields, including quantum mechanics, game theory, and the development of the digital computer.

Barbara McClintock

Barbara McClintock

Cytogeneticist who won the Nobel Prize in Physiology or Medicine for her discovery of genetic transposition, or "jumping genes."

Wernher von Braun

Wernher von Braun

Aerospace engineer and space architect credited with developing the V-2 rocket for Germany and the Saturn V for the United States, which enabled the Apollo moon landings.

Freeman Dyson

Freeman Dyson

Theoretical physicist and mathematician known for his work in quantum field theory, solid-state physics, and nuclear engineering.

Grace Hopper

Grace Hopper

Computer scientist and United States Navy rear admiral who was a pioneer in developing computer technology, including the first compiler for a computer programming language.

Edward Teller

Edward Teller

Theoretical physicist known as the "father of the hydrogen bomb" for his role in the development of nuclear weapons.

John Bardeen

John Bardeen

Electrical engineer and physicist who won the Nobel Prize in Physics twice, first for the invention of the transistor and later for the theory of superconductivity.

Harold Urey

Harold Urey

Chemist who won the Nobel Prize for his discovery of deuterium, significantly contributing to the understanding of isotopes and their properties.

George Washington Carver

George Washington Carver

Agricultural scientist and inventor who promoted alternative crops to cotton and methods to prevent soil depletion, making significant contributions to agricultural science.

Niels Bohr

Niels Bohr

Danish physicist who made foundational contributions to understanding atomic structure and quantum theory. His work influenced American atomic research.

Jerome Karle

Jerome Karle

Physical chemist who won the Nobel Prize in Chemistry for his work on the development of direct methods for determining crystal structures.

Leon Lederman

Leon Lederman

Experimental physicist who won the Nobel Prize in Physics for his work on neutrinos and the muon neutrino.

Rosalind Franklin

Rosalind Franklin

Although British, her work on X-ray diffraction was crucial to understanding the structure of DNA, influencing American genetic research.

Richard Smalley

Richard Smalley

Chemist and physicist who won the Nobel Prize for the discovery of fullerenes, molecules composed entirely of carbon.

Steven Weinberg

Steven Weinberg

Theoretical physicist who won the Nobel Prize for his contributions to the unification of the weak force and electromagnetic interaction between elementary particles.

Murray Gell-Mann

Murray Gell-Mann

Theoretical physicist who won the Nobel Prize for his work on the theory of elementary particles, coining the term "quark."

Roger Sperry

Roger Sperry

Neuropsychologist and neurobiologist who won the Nobel Prize for his research on split-brain patients, significantly advancing the understanding of brain function.

Claude Shannon

Claude Shannon

Mathematician, electrical engineer, and cryptographer known as the "father of information theory," which laid the foundation for digital circuit design theory and telecommunications.

James Van Allen

James Van Allen

Space scientist who discovered the radiation belts around Earth, which are named after him.

Carl Anderson

Carl Anderson

Physicist who won the Nobel Prize for his discovery of the positron, a subatomic particle with the same mass as an electron but with a positive charge.