Computer People Behind
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Transcript of Computer People Behind
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Computer
Scientist
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Blaise Pascal (French)19 June 1623 19 August 1662
was a Frenchmathematician, physicist, inventor,
writerand Catholicphilosopher
n 16!2, while still a teenager, he started some
pioneering wor" on calculating machines, and a#ter
three years o# e##ort and $% prototypeshe inventedthe mechanical calculator &e 'uilt twenty o# these
machines called the (ascaline
http://en.wikipedia.org/wiki/French_peoplehttp://en.wikipedia.org/wiki/Mathematicianhttp://en.wikipedia.org/wiki/Physicisthttp://en.wikipedia.org/wiki/Inventorhttp://en.wikipedia.org/wiki/Writerhttp://en.wikipedia.org/wiki/Catholichttp://en.wikipedia.org/wiki/Philosopherhttp://en.wikipedia.org/wiki/Mechanical_calculatorhttp://en.wikipedia.org/wiki/Pascalinehttp://en.wikipedia.org/wiki/Pascalinehttp://en.wikipedia.org/wiki/Mechanical_calculatorhttp://en.wikipedia.org/wiki/Philosopherhttp://en.wikipedia.org/wiki/Catholichttp://en.wikipedia.org/wiki/Writerhttp://en.wikipedia.org/wiki/Inventorhttp://en.wikipedia.org/wiki/Physicisthttp://en.wikipedia.org/wiki/Mathematicianhttp://en.wikipedia.org/wiki/French_people -
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Gottfried Wilhelm Leibniz (German)
July 1, 16!6 )ovem'er 1!, 1*16
was a +ermanmathematicianand philosopher
&e 'ecame one o# the most proli#ic inventors in
the #ield o# mechanical calculators hile wor"ing
on adding automatic multiplication and division to
(ascal-s calculator, he was the #irst to descri'e a
pinwheel calculatorin 16.$ and invented the
/ei'ni0 wheel, used in the arithmometer, the #irstmassproduced mechanical calculator &e also
re#ined the 'inary num'er system, which is at the
#oundation o# virtually all digital computers
http://en.wikipedia.org/wiki/Germanshttp://en.wikipedia.org/wiki/Mathematicianhttp://en.wikipedia.org/wiki/Philosopherhttp://en.wikipedia.org/wiki/Mechanical_calculatorhttp://en.wikipedia.org/wiki/Pascal's_calculatorhttp://en.wikipedia.org/wiki/Pinwheel_calculatorhttp://en.wikipedia.org/wiki/Leibniz_wheelhttp://en.wikipedia.org/wiki/Arithmometerhttp://en.wikipedia.org/wiki/Binary_number_systemhttp://en.wikipedia.org/wiki/Digital_computerhttp://en.wikipedia.org/wiki/Digital_computerhttp://en.wikipedia.org/wiki/Binary_number_systemhttp://en.wikipedia.org/wiki/Arithmometerhttp://en.wikipedia.org/wiki/Leibniz_wheelhttp://en.wikipedia.org/wiki/Pinwheel_calculatorhttp://en.wikipedia.org/wiki/Pascal's_calculatorhttp://en.wikipedia.org/wiki/Mechanical_calculatorhttp://en.wikipedia.org/wiki/Philosopherhttp://en.wikipedia.org/wiki/Mathematicianhttp://en.wikipedia.org/wiki/Germans -
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Joseph Marie Jacquard (French )
* July 1*$2 * August 1.3!
was a Frenchweaver and merchant &e played an
important role in the development o# the earliestprogramma'le loom the Jac4uard loom5, which in
turn played an important role in the development o#
other programma'le machines, such as computers
http://en.wikipedia.org/wiki/French_peoplehttp://en.wikipedia.org/wiki/Jacquard_loomhttp://en.wikipedia.org/wiki/Jacquard_loomhttp://en.wikipedia.org/wiki/French_people -
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Charles Babbage ( British)26 ecem'er 1*91 1. 7cto'er 1.*1
was an 8nglishmathematician, philosopher,
inventor and mechanical engineer who originated
the concept o# a programma'le computer
Considered a #ather o# the computer a''age is
credited with inventing the #irst mechanical
computer that eventually led to more comple:
designs Analytical 8ngine 5
http://en.wikipedia.org/wiki/Englishmanhttp://en.wikipedia.org/wiki/Computer_pioneerhttp://en.wikipedia.org/wiki/Computer_pioneerhttp://en.wikipedia.org/wiki/Englishman -
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Augusta Ada King, Countess of LovelacAugusta Ada Byron (British)
1% ecem'er 1.1$ 2* )ovem'er 1.$2
was an 8nglish mathematician andwriter chie#ly "nown #or her wor" on
Charles a''age-s early mechanical
generalpurpose computer, the
analytical engine &er notes on the
engine include what is recogni0ed asthe #irst algorithmintended to 'e
processed 'y a machine; than"s to this,
she is sometimes considered the
world-s #irst computer programmer
http://en.wikipedia.org/wiki/Charles_Babbagehttp://en.wikipedia.org/wiki/Analytical_enginehttp://en.wikipedia.org/wiki/Algorithmhttp://en.wikipedia.org/wiki/Computer_programmerhttp://en.wikipedia.org/wiki/Computer_programmerhttp://en.wikipedia.org/wiki/Algorithmhttp://en.wikipedia.org/wiki/Analytical_enginehttp://en.wikipedia.org/wiki/Charles_Babbage -
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George Boole (British)2 )ovem'er 1.1$ . ecem'er 1.6!
was an 8nglish'orn mathematicianand
logician &is wor" was in the #ields o#di##erential e4uationsand alge'raic logic,
and he is now 'est "nown as the author
o# The Laws of Thought As the inventor
o# the prototype o# what is now called
oolean logic, which 'ecame the 'asis
o# the modern digital computer, oole is
regarded in hindsight as a #ounder o# the
#ield o# computer science
http://en.wikipedia.org/wiki/Mathematicianhttp://en.wikipedia.org/wiki/Logicianhttp://en.wikipedia.org/wiki/Differential_equationhttp://en.wikipedia.org/wiki/Algebraic_logichttp://en.wikipedia.org/wiki/The_Laws_of_Thoughthttp://en.wikipedia.org/wiki/Boolean_logichttp://en.wikipedia.org/wiki/Digital_computerhttp://en.wikipedia.org/wiki/Computer_sciencehttp://en.wikipedia.org/wiki/Computer_sciencehttp://en.wikipedia.org/wiki/Digital_computerhttp://en.wikipedia.org/wiki/Boolean_logichttp://en.wikipedia.org/wiki/The_Laws_of_Thoughthttp://en.wikipedia.org/wiki/Algebraic_logichttp://en.wikipedia.org/wiki/Differential_equationhttp://en.wikipedia.org/wiki/Logicianhttp://en.wikipedia.org/wiki/Mathematician -
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Herman Hollerith (American )Fe'ruary 29, 1.6% )ovem'er 1*, 1929
was anAmericanstatisticianwho
developed a mechanical ta'ulator
'ased on punched cardsto rapidly
ta'ulate statistics #rom millions o#pieces o# data &e was the #ounder
o# one o# the companies that later
merged and 'ecame
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George obert !tibitz (American)April 3%, 19%! January 31, 199$
is internationally recogni0ed as one o#the #athers o# the modern #irst digital
computer &e was a ell /a's
researcher "nown #or his wor" in the
193%s and 19!%s on the reali0ation o#
oolean logicdigital circuits using
electromechanical relaysas the
switching element
http://en.wikipedia.org/wiki/Bell_Labshttp://en.wikipedia.org/wiki/Boolean_logichttp://en.wikipedia.org/wiki/Relayhttp://en.wikipedia.org/wiki/Relayhttp://en.wikipedia.org/wiki/Boolean_logichttp://en.wikipedia.org/wiki/Bell_Labs -
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AdmiralGrace "urray #o$$er (Americ
ecem'er 9, 19%6 January 1, 1992
was an American computer scientistand
>nited ?tates )avyo##icer A pioneer in the #ield, she
was one o# the #irst programmers o# the &arvard =ar"
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Alan "athison %uring (British )23 June 1912 * June 19$!
was an 8nglish mathematician, logician,
cryptanalyst, and computer scientist &e
was highly in#luential in the developmento# computer science, providing a
#ormali0ation o# the concepts o#
algorithm and computation with the
@uring machine, which played asigni#icant role in the creation o# the
modern computer @uring is widely
considered to 'e the #athero# computer
science and arti#icial intelligence
http://en.wikipedia.org/wiki/Mathematicianhttp://en.wikipedia.org/wiki/Logicianhttp://en.wikipedia.org/wiki/Cryptanalysthttp://en.wikipedia.org/wiki/Computer_scientisthttp://en.wikipedia.org/wiki/Computer_sciencehttp://en.wikipedia.org/wiki/Algorithmhttp://en.wikipedia.org/wiki/Turing_machinehttp://en.wikipedia.org/wiki/List_of_people_considered_father_or_mother_of_a_scientific_fieldhttp://en.wikipedia.org/wiki/Artificial_intelligencehttp://en.wikipedia.org/wiki/Artificial_intelligencehttp://en.wikipedia.org/wiki/List_of_people_considered_father_or_mother_of_a_scientific_fieldhttp://en.wikipedia.org/wiki/Turing_machinehttp://en.wikipedia.org/wiki/Algorithmhttp://en.wikipedia.org/wiki/Computer_sciencehttp://en.wikipedia.org/wiki/Computer_scientisthttp://en.wikipedia.org/wiki/Cryptanalysthttp://en.wikipedia.org/wiki/Logicianhttp://en.wikipedia.org/wiki/Mathematician -
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Konrad &use ( German)191%199$
was a +ermancivil engineerand
computerpioneer &is greatest
achievement was the world-s #irst#unctional programcontrolled
@uringcompletecomputer, the 3,
which 'ecame operational in =ay
19!1
http://en.wikipedia.org/wiki/Germanyhttp://en.wikipedia.org/wiki/Civil_engineerhttp://en.wikipedia.org/wiki/Computerhttp://en.wikipedia.org/wiki/Turing_completenesshttp://en.wikipedia.org/wiki/Z3_(computer)http://en.wikipedia.org/wiki/Z3_(computer)http://en.wikipedia.org/wiki/Turing_completenesshttp://en.wikipedia.org/wiki/Computerhttp://en.wikipedia.org/wiki/Civil_engineerhttp://en.wikipedia.org/wiki/Germany -
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John Vincent Atanasoff (American)
7cto'er !, 19%3 June 1$, 199$
was an American physicist and
inventor o# the #irst automaticelectronic digital computer &is
specialpurpose machine has
come to 'e called the
Atanaso##erry Computer
http://en.wikipedia.org/wiki/Atanasoff%E2%80%93Berry_Computerhttp://en.wikipedia.org/wiki/Atanasoff%E2%80%93Berry_Computerhttp://en.wikipedia.org/wiki/Atanasoff%E2%80%93Berry_Computer -
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Claude 8lwood ?hannon American5April 3%, 1916 Fe'ruary 2!, 2%%1
was anAmericanmathematician,
electronic engineer, and cryptographer
"nown as the #ather o# in#ormation theory
?hannon is #amous #or having #ounded
in#ormation theory with one landmar"
paper pu'lished in 19!. ut he is alsocredited with #ounding 'oth
digital computerand digital circuitdesign
theory in 193*, when, as a 21yearold
master-s student at =
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Adam res$er c*ert 'r+ (AmeriApril 9, 1919 June 3, 199$
was anAmericanelectrical engineerand computerpioneer ith John =auchlyhe invented the #irst
generalpurpose electronic digital computer 8)
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ouglas Carl ngelbart (AmericanJanuary 3%, 192$
is anAmericaninventor, and an early
computer and internet pioneer &e is'est "nown #or his wor" on the
challenges o#
humancomputer interaction, resulting in
the invention o# the computer mouse,
and the development o# hyperte:t,
networ"ed computers, and precursors
to +>
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Sir Timothy Berners-ee ( British )'orn . June 19$$ (resent
an 8nglish computer scientist,
=
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Marc o!ell Andreessen (American)July 9, 19*1 (resent
is an American entrepreneur,
venture capitalist, so#tware engineer, andmultimillionaire 'est "nown as coauthor
o# =osaic, the #irst widelyused
we' 'rowser, and co#ounder o#
)etscape Communications Corporation
&e is one o# only si: inductees in the
orld ide e' &all o# Fame
announced at the
#irst international con#erence on the
orld ide e'in 199!
http://en.wikipedia.org/wiki/Venture_capitalisthttp://en.wikipedia.org/wiki/Mosaic_(web_browser)http://en.wikipedia.org/wiki/Web_browserhttp://en.wikipedia.org/wiki/Netscape_Communications_Corporationhttp://en.wikipedia.org/wiki/World_Wide_Web_Hall_of_Famehttp://en.wikipedia.org/wiki/World_Wide_Web_Conference_1http://en.wikipedia.org/wiki/World_Wide_Web_Conference_1http://en.wikipedia.org/wiki/World_Wide_Web_Conference_1http://en.wikipedia.org/wiki/World_Wide_Web_Conference_1http://en.wikipedia.org/wiki/World_Wide_Web_Hall_of_Famehttp://en.wikipedia.org/wiki/Netscape_Communications_Corporationhttp://en.wikipedia.org/wiki/Web_browserhttp://en.wikipedia.org/wiki/Mosaic_(web_browser)http://en.wikipedia.org/wiki/Venture_capitalist -
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?teven (aul Jo's American5Fe'ruary 2!, 19$$ 7cto'er $, 2%11
was an American 'usinessman, designer and
inventor &e is 'est "nown as the co#ounder,
chairman, and chie# e:ecutive o##icer o#Apple
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"illiam Henry #ates $$$ (American)7cto'er 2., 19$$ (resent
is an American 'usiness magnate,
computer programmer and philanthropist
+ates is the #ormer chie# e:ecutive and
current chairman o# =icroso#t, the worldEs
largest personalcomputer so#twarecompany
&e is consistently ran"ed among the
world-s wealthiest peopleand was the
wealthiest overall #rom 199$ to 2%%9,
l di 2%%. h h " d thi d
http://en.wikipedia.org/wiki/Business_magnatehttp://en.wikipedia.org/wiki/Microsofthttp://en.wikipedia.org/wiki/Softwarehttp://en.wikipedia.org/wiki/Forbes_list_of_billionaireshttp://en.wikipedia.org/wiki/Forbes_list_of_billionaireshttp://en.wikipedia.org/wiki/Softwarehttp://en.wikipedia.org/wiki/Microsofthttp://en.wikipedia.org/wiki/Business_magnate