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
The third President and author of the Declaration of Independence
Louisiana Purchase in 1803 (doubled the size of the United States)
Thomas Jefferson
He formulated the law of universal gravitation and laws of motion
He developed the first practical reflecting telescope
Isaak Newton
The father of Modern Physics, developed the theory of relativity and explained the photoelectric effect
Albert Einstein
He led the nation through the Great Depression and World War II
New Deal programs
Franklin D. Roosevelt
He led the country during the Civil War
He issued the Emancipation Proclamation (freeing slaves in Confederate states)
Abraham Lincoln
He invented the first functional telephone
Groundbreaking work in aeronautics, hydrofoils, and optical telecommunications
Alexander Bell
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
The 40th President, played crucial role in ending the Cold War through diplomatic efforts
Ronald Reagan
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
The head of the Manhattan Project
The development of atomic bomb during World War II
He rallied against nuclear proliferation
J. Robert Oppenheimer
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
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
The 33rd President
Atomic bombs on Japan to end World War II
The Marshall Plan for European recovery
Harry S. Truman
He introduced the atomic theory into chemistry
He also contributed a lot to the study of color blindness, named in his honor
John Dalton
Great contribution to the study of electrochemistry and electromagnetism
His inventions of electromagnetic rotary devices established the basis for electric motor technology
Michael Faraday
Leadership during the Cold War
The establishment of the Interstate Highway System
NATO, promoting collective security against the Soviet Union
Dwight D. Eisenhower
Great Society programs (elimination of poverty and racial injustice)
the Civil Rights Act of 1964
the Voting Rights Act of 1965
Lyndon B. Johnson
He was awarded the Nobel Prize in 1962 for propounding the double helix structure of nucleic acids such as DNA
James Watson
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