Alexander Friedmann Biography

Historical biography and chronological timeline for Alexander Friedmann, based on 3 World History Database records associated with Russia.

3 records1922–19223 events1 places

Chronological biography

1922

Cosmology1922

Science / Astronomy · Mathematician · Petrograd

Friedmann finds solutions of Einsteins equations that allow an expanding or contracting universe

Expanding Universe1922

Science / Astronomy · Mathematician · Petrograd

Friedmann publishes relativistic equations that allow the universe to expand or contract

Friedmann Equations1922

Science / Cosmology · Mathematician · Petrograd

Derives expanding-universe solutions of Einstein's field equations.

Titles and roles

Mathematician

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.