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John Vincent Atanasoff

John Vincent Atanasoff. By: Sofia Revueltas M. Who was Atanasoff?. Inventor of the electronic digital computer. Mathematical Physicist. A professor and Bussiness Man. Mini Genius. Learned electricity in elementary. At 9 he started studying alegebra.

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John Vincent Atanasoff

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  1. John Vincent Atanasoff By: Sofia Revueltas M.

  2. Who was Atanasoff? • Inventor of the electronic digital computer. • Mathematical Physicist. • A professor and Bussiness Man.

  3. Mini Genius • Learned electricity in elementary. • At 9 he started studying alegebra. • Finished Mulberry Highschool in 2 years. • Excelling in Math and Science. www.cs.iastate.edu/ jva/portraits/portraits.shtml

  4. College • In 1921, University of Florida, Gainesville. • Graduated 1925 with A average. • Earned a degree in electrical engineering. • Accepted teaching offer in Iowa State College. http://upload.wikimedia.org/wikipedia/en/c/c1/Fountain_of_Four_Seasons.jpg

  5. Building a Life • June 1926 got his masters degree, at 23. • ISC hired him to teach mathematics. • Married 26-year-old Lura Meeks. http://www1.istockphoto.com/file_thumbview_approve/945544/2/istockphoto_945544_catholic_church_wedding.jpg

  6. A New Family • A year later Elsie, oldest daughter, was born. • In Madison, Wisconsin was accepted as Doctoral candidate. • They had 2 children: Joanne & John. http://tangra.bitex.com/eng/atanasoff/FIG20.jpg

  7. An Idea • For doctoral thesis he had to use a calculator. • He used the Monroe and IBM. • Thinking of creating a machine better and faster. http://www.las.iastate.edu/newnews/pictures/jva.jpg

  8. Teaching • In 1930 became assistant professor in Mathematics & Physics. • Then promoted to teaching in Physics Building. • While observing electronical devices. http://www.metro-hs.ac.jp/rs/saitoh/history/atanasoff.jpeg

  9. The Laplaciometer • Invented Laplaciometer, to analyze geometry of surfaces. • With help from Glen Murphy. • Accuracy depended on performance of parts of machine. http://en.wikipedia.org/wiki/Monroe_calculator

  10. A New Invention? • In 1937 he got $650 from ISC. • Help from electrical engineering student, Clifford E. Berry. • In 1939 was ready. http://www.scl.ameslab.gov/ABC/gifs/Berry.GIF http://www.feb-patrimoine.com/nsdat/feb_actu/41/Image283.gif

  11. The ABC • ABC: Atanasoff-Berry Computer. • Introduced concepts of binary arithmetic. • Had regenerative memory and logic circuts. • Click for video: http://www.scl.ameslab.gov/ABC/videos/abc-operation.mov http://www.i-lo.tarnow.pl/edu/inf/hist/historia/pages/1939bad.htm

  12. No Patenting • In December 1941 invention came to halt. • No patenting due to World War II. http://gi.grolier.com/wwii/photos/USWW0040.JPEG

  13. The ENIAC and Dr. Mauchly • In 1940 Atanasoff gave presentation to Dr. Mauchly. • Which gave ideas to create ENIAC. • With Dr. Eckert. http://www.scienceclarified.com/scitech/images/lsai_0001_0001_0_img0006.jpg

  14. War Affects Everyone • In September 1939 he left for defense related position. • Clifford Berry acepted one in California. • Atanasoff’s family stayed in Ames. http://freepages.genealogy.rootsweb.com/~chesapeake/surnames/horney/horney_military/iwo_jima_ww2.jpg

  15. Going Down Hill • In 1948 he returned, ABC had been taken away. • Only a few parts were saved. http://www.kerryr.net/images/pioneers/gallery/atanasoff3_lg.jpg

  16. More Bad News • Lura divorced him. • She moved to Colorado with the Children. • Same year he married Alice Crosby. http://www.ifip.org/secretariat/pn_b1.jpg

  17. Lots of Work • 1949- Scientist for Army Forces in Fort Monroe, Virginia. • 1950- Washington Director of the Navy Fuse Program at the Naval Ordnance Laboratory. • 1952- Established The Ordanance Engineering Corporation, in Rockville Maryland.

  18. Still Working • There he worked with David Beecher. • In 1957 company was sold to Aerojet General Corporation. • Manager of its Atlantic Division from 1957-1959. • Was Vice president from 1959.

  19. Success for the ABC • In 1972 trial was won. • ENIAC patent was invalidaded.. • 1973 Atanasoff was given credit he deserved. • Invented the first electronic digital computer.

  20. The End • Clifford Berry also received acknowledgements. • Atansoff retired in 1974. • Died of Stroke 15 June 1995.

  21. Awards and Acknowledgements

  22. Thank You!

  23. Sources • http://www.scl.ameslab.gov/ABC/Biographies.html • http://ei.cs.vt.edu/~history/do_Atanasoff.html • http://www.thocp.net/biographies/atanasoff_john.html

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