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dirtnapp / is hiroki kosai alive or dead?

Hiroki Kosai

Japanese astronomer

dead

no longer with us. rest easy.

born
1933
died
2026
age at death
93
known for
astronomer

1933 – 2026

where this comes from

wikidata records a date of death for Hiroki Kosai in 2026, which is how we know. your browser re-checks this against wikidata on every visit, so it’s current even if the page itself was cached a while ago.

read wikipedia →wikidata record (Q519743) →something wrong? →

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