1.
Who were Henryk Zygalski, Marian Rejewski, Jerzy Rozcki and what did they do?
A
None of the above
B
English teachers who invented the game Scrabble as an educational aid in the 1970s
C
Mobile phone engineers who accidentally developed SMS text messaging in the 1990s
D
Mathematicians who helped crack the Nazis enigma code in the 1930s
Answer and explanation
Correct Answer: D — Mathematicians who helped crack the Nazis enigma code in the 1930s
Mathematicians who helped crack the Nazis enigma code in the 1930s