THE DATE BEHIND THE NAME
Hiroki Kosai
Japanese astronomer (1933–2026)
Hiroki Kosai was born on February 8, 1933 in Kurashiki, Japan and died on March 26, 2026, aged 93.
Born
February 8, 1933
Hiroki Kosai died aged 93.
Died: March 26, 2026
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
- Birthplace
- Kurashiki, Japan
- Professions
- astronomer
- Citizenship
- Japan
More about Hiroki Kosai
- Zodiac sign
- Aquarius
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
How old was Hiroki Kosai when they died?
Hiroki Kosai died aged 93.
When is Hiroki Kosai’s birthday?
Hiroki Kosai’s recorded birthday is February 8.
Where was Hiroki Kosai born?
Hiroki Kosai was born in Kurashiki, Japan.
When did Hiroki Kosai die?
Hiroki Kosai died on March 26, 2026.