Three centuries ago (298 years to be precise), Daniel Defoe, of Robinson Crusoe fame, published his account of the bubonic plague of London. It is called A Journal of the Plague Year and is an eyewitness account of 1665-66, when about a fourth of London died of the plague.
Defoe’s diary was later revealed to be partly fictional, but to me that is unimportant. What writers need is material. The author V S Naipaul observed that one could have prodigies in music, mathematics and such things but not in writing. You might find an individual operating at genius levels in

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