Irene Uchida, Canadian scientist and Down syndrome researcher., dies at age 96

Irene Uchida (96)

Canadian scientist and Down syndrome researcher.

John Bockris, South African–born American scientist., dies at age 90

John Bockris (90)

South African–born American scientist.

Jack Harker, American computer scientist and businessman., dies at age 86

Jack Harker (86)

American computer scientist and businessman.

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