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John Jonas

Canadian metallurgist

dead

no longer with us. rest easy.

born
1932
died
2025
age at death
93
known for
engineer, metallurgist

1932 – 2025

where this comes from

wikidata records a date of death for John Jonas in 2025, 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 (Q373943) →something wrong? →

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