Eachdraidh beatha Katherine Johnson, tè do luchd matamataig a bha ag obair aig NASA. Maureen Macleod talks about Katherine Johnson who was a mathematician at NASA. Show more
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Eachdraidh beatha Katherine Johnson, tè do luchd matamataig a bha ag obair aig NASA. Maureen Macleod talks about Katherine Johnson who was a mathematician at NASA. Show more