= Irène Joliot-Curie
{c}
{tag=Physicist}
{title2=1897–1956}
{wiki}
<Irène Joliot-Curie> and <Frédéric Joliot> identified induced <radioactivity> by following the <Positrons> emitted from irradiated light elements after the source was removed. Their 1934 paper reports continuing activity in <aluminium>, <boron> and <magnesium>, with different decay times. The falling count rate is a readout of unstable products left in the material, connecting controlled irradiation with the creation and measurement of <radioactive isotopes>.<Artificial Production of a New Kind of Radio-Element by Frédéric Joliot and Irène Joliot-Curie>[1934 abstract, irradiated aluminium, boron and magnesium and their continuing activity]{ref}
A <physicist>.https://www.nobelprize.org/prizes/chemistry/1935/joliot-curie/biographical/?print=1[Independent professional biography and identity]{ref}
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{title=Portrait of <Irène Joliot-Curie>}
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