Birthday profile

Isaak Khalatnikov

Isaak Khalatnikov, Ukrainian-Russian theoretical physicist and academic (died 2021)

Born
October 17, 1919
Died
January 9, 2021
Zodiac sign
Libra
Birth year
1919

About Isaak Khalatnikov

Isaak Markovich Khalatnikov was a leading Soviet theoretical physicist who made significant contributions to many areas of theoretical physics, including general relativity, quantum field theory, as well as the theory of quantum liquids. He is well known for his role in developing the Landau-Khalatnikov theory of superfluidity and the so-called BKL conjecture in the general theory of relativity. He has been awarded the Landau Gold Medal, the Humboldt Prize, and the Marcel Grossmann Award. Isaak Khalatnikov was born into a Ukrainian Jewish family in Yekaterinoslav (now Dnipro, Ukraine) and graduated from Dnipropetrovsk State University with a degree in Physics in 1941.

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

The world when Isaak Khalatnikov was born

Isaak Khalatnikov was born in 1919. 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.

Culture in 1919

  • Best-selling book"The Four Horsemen of the Apocalypse" – Vicente Blasco Ibáñez

Headlines and milestones

  • Major sports momentBlack Sox scandal — 1919 World Series fixed
  • Top headlineTreaty of Versailles signed — 18th Amendment (Prohibition)
  • Technology milestoneFirst nonstop transatlantic flight (Alcock & Brown)
  • Defining fadOuija boards
  • Notable inventionPop-up toaster
  • World population~1.79B

United States snapshot

  • U.S. leaderWoodrow Wilson
  • U.S. population103.2M

1919 versus 2026

These figures put everyday life in Isaak Khalatnikov's birth year beside the site's latest United States snapshot.

Measure19192026
Gas$0.25$3.45/gal
Average home$5,000$435,000
Average income$2,000$67,500
Movie ticket$0.15$11.95
Postage stamp$0.03$0.73
Population103.2M341 million

Sources and editorial standards

This profile combines a biographical source with structured birthday and historical context. Sources recorded for this profile: Wikipedia, Library of Congress, Wikidata. See our editorial policy for sourcing, corrections, and review standards.

Read the source biography on Wikipedia. Wikipedia text is available under the Creative Commons Attribution-ShareAlike License.