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Which mathematician comprehended the basics of science from the wallpaper in the room? Detailed answer

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Which mathematician comprehended the basics of science from the wallpaper in the room?

Sofya Kovalevskaya got acquainted with mathematics in her early childhood, when there was not enough wallpaper for her room, instead of which sheets with Ostrogradsky's lectures on differential and integral calculus were pasted.

Authors: Jimmy Wales, Larry Sanger

 Random interesting fact from the Great Encyclopedia:

What was invented first - matches or a lighter?

The first lighter, similar to those familiar to us, was invented in 1823 by the German chemist Johann Wolfgang Debereiner - 3 years earlier than modern matches ignited by friction against cherkash. They were accidentally obtained in 1826 by the English chemist John Walker.

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