computer people behind

7/26/2019 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


3/20

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


6/20

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


12/20

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


14/20

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 =


15/20

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)


16/20

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 +>


17/20

Sir Timothy Berners-ee ( British )'orn . June 19$$ (resent

an 8nglish computer scientist,

=


18/20

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


19/20

?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


20/20

"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

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