April 23, 1908
Precision: day · Rank: normal
- Source: ProDetLit
THE DATE BEHIND THE NAME
Ivan Yefremov
Soviet paleontologist, science fiction author and social thinker (1908–1972)
Ivan Yefremov has incompatible recorded birth dates. The main Wikidata statement lists April 23, 1908 in Vyritsa, Russia.
Born
April 23, 1908
An exact age is omitted because the recorded dates are incompatible or not precise enough.
Died: October 5, 1972
Source:
Synchronized from Wikidata on October 5, 2026.
Original calendar: Julian. Displayed date is Gregorian.
- Birthplace
- Vyritsa, Russia
- Professions
- science fiction writer, paleontologist, short story writer, philosopher, writer, geologist, prose writer
- Citizenship
- Russian Empire, Soviet Union
Incompatible birth dates
Sources disagree: April 23, 1908 (drive.google.com; ProDetLit) or April 23, 1908 (ProDetLit) or April 22, 1907 (The Fine Art Archive Db) or June 22, 1907 (Writers of St. Petersburg. XX century) or June 22, 1907 (Russian literature of the 20th century. Volume 1, 2005; Writers of St. Petersburg. XX century).
The main date retains its own sources. These alternatives overlap neither all other statements nor the main date. Rank is Wikidata editorial priority, not proof.
April 22, 1907
Precision: day · Rank: normal
- Source: The Fine Art Archive Db
June 22, 1907
Precision: day · Rank: normal
Original calendar: Julian. Displayed date is Gregorian.
June 22, 1907
Precision: day · Rank: normal
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
Where was Ivan Yefremov born?
Ivan Yefremov was born in Vyritsa, Russia.