In memory of
Ralph Alpher

Ralph Alpher

3 February 1921 — 12 August 2007
Washington D. C. · Austin
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Ralph Asher Alpher was an American cosmologist, who carried out pioneering work in the early 1950s on the Big Bang model, including Big Bang nucleosynthesis and predictions of the cosmic microwave background radiation.

— Source: Wikipedia (CC-BY-SA).

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