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D.R.Kaprekar was a Nashik School Math teacher, He discovered several classes of Numbers and constants in the field of Number theory, which are named after him as Kaprekar Number and Kaprekar Constant.
Other discoveries include Self Numbers, Harshad Number and Demlo Number.
He became popular when Martin Gartner wrote about him on his article for ‘Mathematical Games for Scientific Americans’.
Nicolaus Copernicus was an astronomer who first proposed that the Earth and the other planets orbit around the Sun and also rotate on their own axis.
During Copernicus’ times, it was believed the Earth was at the center of the solar system and the Sun, the Moon and the planets revolve around the Earth.
His discovery of heliocentric theory with Sun at the center of the solar system was not accepted by the scholars of Philosophy, Astronomy and Religious fields during his time.
Galileo and Kepler developed and spread the Copernican theory.
By the late 18th century, the Copernican view of the solar system was almost universally accepted.
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