Permanent historical factsheet

Kruskal Extension

United States of America · Science / Physics. Chronological records rendered directly from the World History Database.

1Records
1960Date range
1Named people
0Places

Chronological records

1960

Martin Kruskal1960

Science / Physics

Publishes the maximal analytic extension of the Schwarzschild geometry, showing that the event horizon is a regular spacetime surface rather than a physical singularity.

Names involved

Martin Kruskal

Provenance

This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.