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Famous Inventors

1. Thomas Edison

2. Alexander Graham Bell

3. George Washington Carver

4. Eli Whitney

5. Johannes Gutenberg

6. John Logie Baird

7. Benjamin Franklin

8. Henry Ford

9. James Naismith

10. Herman Hollerith



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mechanical tabulator

mechanical tabulator
Herman Hollerith (February 29, 1860 – November 17, 1929) was an American statistician who developed a mechanical tabulator based on punched cards to rapidly tabulate statistics from millions of pieces of data. He was the creator of one of the companies that later combined and became IBM.
Herman Hollerith
Hollerith developed a mechanism using electrical connections to trigger a counter, recording information. A key idea was that data could be coded numerically. Hollerith determined that if numbers could be punched in particular locations on a card, in the now-familiar rows and columns, then the cards could be counted or sorted mechanically and the data recorded. A explanation of this system, An Electric Tabulating System in 1889, was submitted by Hollerith to Columbia University as his doctoral thesis, and is reprinted in Randell's book.

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Zipper

Whitcomb L. Judson
    

zipper
               
              Whitcomb L. Judson was an American engineer from Chicago, Illinois, who invented the zipper. Judson untested his clasp-locker on Aug. 29, 1893; later in 1893 and  he exhibited this new invention at the Chicago World's Fair. Judson and Lewis Walker founded the Universal Fastener Company to manufacture these fasteners. They never succeeded in selling Judson's new device. He died in 1909, before his invention became universally used and well known.
           


Gideon Sundbach
(Swedish-American engineer who was improved the zipper in 1913)
               The zipper was improved in 1913 by Gideon Sundbach, a the Swedish-American engineer a former employee of Judson. Sundbach was successful at selling his invention, which he called the Hookless 2. He sold these fasteners to the US Army, who put zippers on soldiers' clothing and gear during World War I.
                                                                                    

                                                                    

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Adhesive Tape

Richard G. Drew
adhesive tape
        Richard Gurley Drew (June 22, 1899 – December 14, 1980) was born in St. Paul, Minnesota and was an American inventor who worked for Johnson and Johnson, Permacel Co., and 3M in St. Paul, Minnesota, where he invented masking tape and cellophane tape.

Selected Awards/Distinctions
•    1978 Minnesota Inventors Hall of Fame
•    2007 National Inventors Hall of Fame
•    2007 Development of Scotch Transparent Tape designated as a ‘National Historic Chemical Landmark’ by The American Chemical Society.
       
   Richard G. Drew  invented masking tape and clear adhesive tape and it also called cellophane tape or Scotch tape. Drew's first tape invention was a masking tape made for painters in 1923 and this tape was designed to help painters paint a straight border between two colors.  He was an engineer for the 3M company or the Minnesota Mining and Manufacturing.

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Cellophane

Jacques Edwin Brandenberger


            Cellophane was invented in 1908 by Jacques Edwin Brandenberger, he a Swiss chemist. Cellophane is a thin, transparent, waterproof, protective film that is used in many types of packagingand it is very useful all alone as a packaging material. Chemists at the Dupont company made cellophane waterproof in 1927.

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