Douglas Hartree

Douglas Hartree, English mathematician and physicist (died 1958)

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Born: March 27, 1897
Died: February 12, 1958
Zodiac sign: Aries
Birth year: 1897

About Douglas Hartree

Douglas Rayner Hartree was an English mathematician and physicist most famous for the development of numerical analysis and its application to the Hartree–Fock equations of atomic physics and the construction of a differential analyser using Meccano. Douglas Hartree was the oldest of three sons who survived infancy. Hartree attended St Faith's School in Cambridge, then Bedales School, returning to Cambridge for his degree studies at St John's College, Cambridge, which the first World War interrupted.

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

The world when Douglas Hartree was born

Douglas Hartree was born in 1897. 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 headlineKlondike Gold Rush begins in Canada
Technology milestoneFirst practical diesel engine built
Defining fadKlondike Gold Rush fever
World population~1.57B

United States snapshot

U.S. leaderWilliam McKinley
U.S. population70.0M

1897 versus 2026

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

Measure	1897	2026
Population	70.0M	341 million

Sources and editorial standards

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