Portrait of Nikolay Yakovlevich Sonin

Birthday profile

Nikolay Yakovlevich Sonin

Nikolay Yakovlevich Sonin, Russian mathematician and academic (died 1915)

Born
February 22, 1849
Died
February 27, 1915
Zodiac sign
Pisces
Birth year
1849

About Nikolay Yakovlevich Sonin

Nikolay Yakovlevich Sonin, Russian mathematician and academic (died 1915) Nikolay Yakovlevich Sonin (Russian: Никола́й Я́ковлевич Со́нин, February 22, 1849 – February 27, 1915) was a Russian mathematician. Sonin worked on special functions, in particular cylindrical functions. For instance, the Sonine formula is a formula given by Sonin for the integral of the product of three Bessel functions. Together with Andrey Markov, Sonin prepared a two volume edition of Chebyshev's works in French and Russian.

Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.

The world when Nikolay Yakovlevich Sonin was born

Nikolay Yakovlevich Sonin was born in 1849. The year snapshot below places that birthday in its cultural and historical setting: the music and films people were following, the headlines shaping public life, and the everyday prices families encountered.

Headlines and milestones

  • Top headlineCalifornia Gold Rush in full swing
  • Technology milestoneSafety pin patented by Walter Hunt
  • Defining fadGold prospecting
  • World population~1.29B

United States snapshot

  • U.S. leaderZachary Taylor
  • U.S. population22.0M

1849 versus 2026

These figures put everyday life in Nikolay Yakovlevich Sonin's birth year beside the site's latest United States snapshot.

Measure18492026
Population22.0M341 million

Sources and editorial standards

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