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Who do you think is the greatest to have made the most contribution to technology ,Science and conservation .
One must be an African-American one Female and 3rd any ?
It’s perplexing why one of your three people has to be limited to being an American and the other two don’t…. did you leave out a word after "greatest" ?
Anyway….
Benjamin Banneker
Benjamin Banneker has been called the first African American intellectual. Self-taught, after studying the inner workings of a friend’s watch, he made one of wood that accurately kept time for more than 40 years. Banneker taught himself astronomy well enough to correctly predict a solar eclipse in 1789. From 1791 to 1802 he published the Pennsylvania, Delaware, Maryland, and Virginia Almanac and Ephemeris, which contained tide tables, future eclipses, and medicinal formulas.
Grace Hopper
Rear Admiral Grace Murray Hopper (December 9, 1906 – January 1, 1992) was an American computer scientist and United States Navy officer. A pioneer in the field, she was one of the first programmers of the Harvard Mark I calculator, and she developed the first compiler for a computer programming language.
Benjamin Franklin
Benjamin Franklin (January 17 [O.S. January 6] 1706 – April 17, 1790) was one of the most important and influential Founding Fathers of the United States of America. A noted polymath, Franklin was a leading author and printer, satirist, political theorist, politician, scientist, inventor, civic activist, statesman and diplomat. As a scientist he was a major figure in the Enlightenment and the history of physics for his discoveries and theories regarding electricity. He invented the lightning rod, bifocals, the Franklin stove, a carriage odometer, and a musical instrument.
Well,l there’s George Washington Carver, invented peanut butter.
Marie Curie, discovery of radium
Thomas Edison, thousands of inventions.
References :
It’s perplexing why one of your three people has to be limited to being an American and the other two don’t…. did you leave out a word after "greatest" ?
Anyway….
Benjamin Banneker
Benjamin Banneker has been called the first African American intellectual. Self-taught, after studying the inner workings of a friend’s watch, he made one of wood that accurately kept time for more than 40 years. Banneker taught himself astronomy well enough to correctly predict a solar eclipse in 1789. From 1791 to 1802 he published the Pennsylvania, Delaware, Maryland, and Virginia Almanac and Ephemeris, which contained tide tables, future eclipses, and medicinal formulas.
Grace Hopper
Rear Admiral Grace Murray Hopper (December 9, 1906 – January 1, 1992) was an American computer scientist and United States Navy officer. A pioneer in the field, she was one of the first programmers of the Harvard Mark I calculator, and she developed the first compiler for a computer programming language.
Benjamin Franklin
Benjamin Franklin (January 17 [O.S. January 6] 1706 – April 17, 1790) was one of the most important and influential Founding Fathers of the United States of America. A noted polymath, Franklin was a leading author and printer, satirist, political theorist, politician, scientist, inventor, civic activist, statesman and diplomat. As a scientist he was a major figure in the Enlightenment and the history of physics for his discoveries and theories regarding electricity. He invented the lightning rod, bifocals, the Franklin stove, a carriage odometer, and a musical instrument.
References :
http://www.infoplease.com/ipa/A0775682.html
http://en.wikipedia.org/wiki/Grace_Hopper
http://en.wikipedia.org/wiki/Benjamin_franklin