3rd President of the US that wanted to find the Northwest Passage.
Who is Thomas Jefferson
100
Explored land west of the Mississippi River and the Rocky Mountains on foot, horseback, and in boats with Meriwether Lewis
Who is William Clark
100
Explored land west of the Mississippi River and the Rocky Mountains on foot, horseback, and in boats with William Clark
Who is Meriwether Lewis
100
Native American translator and peacemaker that helped Lewis and Clark explore the Louisiana Territory.
Who is Sacajawea
100
American that made cars in Detroit, Michigan. Other car makers followed and Detroit became known as the Motor City.
Who is Henry Ford
200
discovered many diseases are caused by germs, and created the process of "pasteurization" which kills germs in milk by heating it up.
Who is Louis Pasteur
200
Frenchman that created a camera that took photos called "daguerrotypes".
Who is Louis Daguerre
200
Inventor of the reaper which helped farmers cut grain more quickly and safely.
Who is Cyrus Hall McCormick
200
American that invented a more simple camera that anyone could purchase and use.
Who is George Eastman
200
Inventor who created the electric light and phonograph, and had a laboratory in Menlo Park, NJ.
Who is Thomas Edison
300
Invented the telegraph which let people send and receive signals through a thin wire in a series called Morse Code.
Who is Samuel Morse
300
American inventor that was put in charge of the US postal service in 1775.
Who is Benjamin Franklin
300
Brothers that flew the first airplane, with their longest flight in Kitty Hawk, NC.
Who are Orville and Wilbur Wright
300
Writer that was blind and deaf but did not let it stop her
Who is Helen Keller
300
Found a way to prevent people from getting smallpox, by giving them a weak form of cowpox.
Who is Edward Jenner
400
African American inventer or engineer that constructed drawings for Alexander Graham Bell's telephone, and helped Thomas Edison improve the light bulb.
Who is Lewis Latimer
400
invented the first telephone which allowed people to communicate with their voices.
Who is Alexander Graham Bell
400
British engineer that developed and improved the steam engine with Richard Trevethick which led to the steam locomotive (train).
Who is James Watt
400
German inventors that created the first gas-powered cars.
Who are Karl Benz and Gottlieb Daimler
400
invented a way for voices to travel without wires (RADIO).
Who is Guglielmo Marconi
500
British engineer that developed and improved the steam engine with James Watt which led to the steam locomotive (train).
Who is Richard Trevethick
500
figured out how to make medicine to attack diseased cells and kill them. Her medicines treated people with leukemia and malaria.
Who is Gertrude Ellion
500
made a vaccine for polio which was a disease of the spinal cord. He gave his patients a dead form of polio.
Who is Jonas Salk
500
Helped Helen Keller learn how to read and write
Who is Anne Sullivan
500
developed a special tube to build a television which allowed for messages and pictures to be broadcasted into people's homes.