US Presidents 1
US Presidents 2
Scientists 1
Scientists 2
100

He led the Continental Army during the American Revolutionary War

The formation of a Cabinet

The tradition of a two-term limit for the presidency

George Washington

100

The third President and author of the Declaration of Independence

Louisiana Purchase in 1803 (doubled the size of the United States)

Thomas Jefferson

100

He formulated the law of universal gravitation and laws of motion

He developed the first practical reflecting telescope

Isaak Newton

100

The father of Modern Physics, developed the theory of relativity and explained the photoelectric effect

Albert Einstein

200

He led the nation through the Great Depression and World War II

New Deal programs

Franklin D. Roosevelt

200

He led the country during the Civil War

He issued the Emancipation Proclamation (freeing slaves in Confederate states)

Abraham Lincoln

200

He invented the first functional telephone

Groundbreaking work in aeronautics, hydrofoils, and optical telecommunications

Alexander Bell

200

A prolific inventor, he had around 300 patents for his inventions

Development of the modern alternating current (AC) electricity supply system

He had poor money management skills and died a poor man


Nicola Tesla

300

The 40th President, played crucial role in ending the Cold War through diplomatic efforts

Ronald Reagan

300

He led the U.S. during World War I

The Fourteen Points speech - a statement given to Congress on January 8, 1918 (outlined the proposals for a postwar peace settlement)

Woodrow Wilson

300

The head of the Manhattan Project

The development of atomic bomb during World War II

He rallied against nuclear proliferation

J. Robert Oppenheimer

300

Father of the computer

He created the Analytical Engine, the first general-purpose computer

Also he invented the prototype of the world's first mechanical calculator


Charles Babbage

400

He is notable for his progressive policies (trust-busting, the establishment of national parks)

The construction of the Panama Canal, which significantly enhanced U.S. naval power and commerce

Theodore Roosevelt

400

The 33rd President

Atomic bombs on Japan to end World War II

The Marshall Plan for European recovery

Harry S. Truman

400

He introduced the atomic theory into chemistry

He also contributed a lot to the study of color blindness, named in his honor

John Dalton

400

Great contribution to the study of electrochemistry and electromagnetism

His inventions of electromagnetic rotary devices established the basis for electric motor technology

Michael Faraday

500

Leadership during the Cold War

The establishment of the Interstate Highway System

NATO, promoting collective security against the Soviet Union

Dwight D. Eisenhower

500

Great Society programs (elimination of poverty and racial injustice)

the Civil Rights Act of 1964

the Voting Rights Act of 1965

Lyndon B. Johnson

500

He was awarded the Nobel Prize in 1962 for propounding the double helix structure of nucleic acids such as DNA

James Watson    

500

New Zealand physicist, the father of nuclear physics

Discovery of radioactive half-life and of radon Differentiation of alpha and beta radiation

Nobel Prize in Chemistry in 1908 

Element 104 was named in his honor

Ernest Rutherford