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6000 BCE
Scytale
Used in Acient Greece in the military to send messages without being compromised. -
5000 BCE
Atbash
Monoalphabetic cipher originally used to encript the Hebrew alphabet. -
3300 BCE
Hieroglyphs
The earliest form of writing used by the Egyptians. Very few knew how to translate or write hieroglyphs because it was very complicated to learn. Only the noble and royalty including priests and scribes knew how to write in the hieroglyphic code. -
Sign Language
Juan Pablo de Bonet was the the one who wrote the first book teaching sign language for the deaf. -
Binary Code
Created by Gottfried Leibniz and is used to represent text and computer processor instructons. -
Pigpen Cipher
A geometric cipher used to substitute letters for symbols. -
Hexidecimal Code
Created by the French and still used today. Has a base of sixteen and uses 16 distinct symbols. -
Braille
Invented by Louis Braille while attending the Institution Nationale des Jeunes Aveugles (National Institute for Blind Children) in Paris. He was blinded at the age of three. -
Morse Code
In 1836 Samuel F.B Morse along with Joseph Henry and Alfred Vial invented Morse Code it could send messages long distance. It uses long and short sounds or dots and lines whe on paper. -
NATO Phonetic Alphabet
Most commonly used in the Armed Forces in radio messages. -
Wehrmacht Enigma
The Wehrmacht Enigma better known as the Enigma Machine was used by the Germans in WW2 and was very hard to crack or solve. -
Cryptography
Cryptography was used extensively during WW2. The most important moment was when the Enigma code was cracked by the Allies. -
Navajo Code Talkers
During WW2 the U.S Marines needed a way to communicate without being compromised so they recruited Navajo Code talkers in 1942 and 1943. -
FORTRAN
The first of the many computer languages.The name stands for FORmula TRANslating system. It was very easy to use and provied the programer with low-level acess to the computer innards. -
Python
Designed by Guido van Rossum in released in 1991 is still used today for many eduacational programs.
