Who were Henryk Zygalski, Marian Rejewski, Jerzy Rozcki and what did they do?
None of the above
English teachers who invented the game Scrabble as an educational aid in the 1970s
Mobile phone engineers who accidentally developed SMS text messaging in the 1990s
Mathematicians who helped crack the Nazis enigma code in the 1930s
Correct Answer: D — Mathematicians who helped crack the Nazis enigma code in the 1930s
Explanation:
