Ancient Computers
Programming Languages
Milestones
Great Women of Computer Science
Alan Turing
100

This French inventor created the Pascaline mechanical calculator in the 1600s.

Who is Blaise Pascal?

100

This computer scientist led the development of FORTRAN.

Who is John Backus?

100

This inventor helped create ENIAC, one of the first electronic general-purpose computers.

Who is J. Presper Eckert?

100

This Navy rear admiral helped develop COBOL and popularized machine-independent programming languages.

Who is Grace Hopper?

100

Alan Turing helped crack this German encryption machine during World War II.

What is Enigma?

200

This inventor designed the Analytical Engine, considered a precursor to modern computers.

Who is Charles Babbage?

200

This creator of the Java programming language worked at Sun Microsystems.

Who is James Gosling?

200

This British engineer designed Colossus, an early codebreaking computer during WWII.

Who is Tommy Flowers?

200

This NASA software engineer led development of the Apollo Guidance Computer software.

Who is Margaret Hamilton?

200

This test, created by Turing, measures whether a machine can imitate human conversation.

What is the Turing Test?

300

This woman wrote algorithms for Babbage’s machine and is considered the first programmer.

Who is Ada Lovelace?

300

This scientist co-developed the C programming language at Bell Labs.

Who is Dennis Ritchie?

300

This inventor is known for creating the World Wide Web.

Who is Tim Berners-Lee?

300

This computer scientist helped create the Assembly language.

Who is Kathleen Booth?

300

Alan Turing worked at this British codebreaking center during WWII.

What is Bletchley Park?

400

This inventor created a loom controlled by punched cards, influencing early computing.

Who is Joseph Marie Jacquard?

400

This Danish programmer created C++.

Who is Bjarne Stroustrup?

400

This engineer co-created the TCP/IP protocols that power the internet.

Who is Bob Kahn?

400

This information scientist managed early internet directories before search engines existed.

Who is Elizabeth Feinler?

400

Alan Turing was born in this year.

What is 1912?

500

This engineer created a census tabulating machine using punched cards in the 1890 U.S. Census.

Who is Herman Hollerith?

500

This Microsoft engineer became famous for creating the C# language.

Who is Anders Hejlsberg?

500

This inventor demonstrated the computer mouse and hypertext in “The Mother of All Demos.”

Who is Douglas Engelbart?

500

This programmer helped develop FORMAC and became the first female president of ACM.

Who is Jean E. Sammett?

500

This 2014 movie starring Benedict Cumberbatch was based on Turing’s life.

What is The Imitation Game?

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