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April 1st

American physicist Ferdinand Brickwedde died on this day in 1989

He co-discovered deuterium (²H), which is an isotope or “heavy form” of hydrogen, with Harold Urey and George Murphy. They produced the first measurable samples of deuterium from liquefied hydrogen.

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April 1st American physicist Ferdinand Brickwedde died on this day in 1989

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April 1st

American physicist Ferdinand Brickwedde died on this day in 1989