Lobachevskian Geometry1829
The achievement marks lobachevskian geometry as an important Russian scientific milestone.
Historical person
Historical biography and chronological timeline for Nikolai Ivanovich Lobachevsky, based on 2 World History Database records associated with Russia.
The achievement marks lobachevskian geometry as an important Russian scientific milestone.
Publishes a consistent geometry in which Euclid's parallel postulate does not hold.
Mathematician
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.