Madurai Shanmukhavadivu Subbulakshmi, also known as M.S., was a renowned Carnatic vocalist. She was the first musician ever to be awarded the Bharat Ratna, India’s highest civilian honor

 

Jean Bernard Léon Foucault (18 September 1819 – 11 February 1868) was a French physicist best known for the invention of the Foucault pendulum, a device demonstrating the effect of the Earth’s rotation. He also made an early measurement of the speed of light, discovered eddy currents, and although he did not invent it, is credited with naming the gyroscope.

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