The UK's spy agency has released its "hardest puzzle ever" in honor of Alan Turing's appearance on the Bank of England's highest-value banknote, the 50-pound bill. Turing—"the first openly gay man to have his face on a banknote," per the Independent —was an English mathematician and computer science pioneer...
The UK's spy agency has released its "hardest puzzle ever" in honor of Alan Turing's appearance on the Bank of England's highest-value banknote, the 50-pound bill. Turing—"the first openly gay man to have his face on a banknote," per the Independent —was an English mathematician and computer science pioneer...
