Ocupation: Physicist
Life: March 19, 1900 - August 14, 1958
Birthday: March 19
Death: August 14
Some months ago we discovered that certain light elements emit positrons under the action of alpha particles. Our latest experiments have shown a very striking fact: when an aluminium foil is irradiated on a polonium preparation [alpha ray emitter], the emission of positrons does not cease immediately when the active preparation is removed: the foil remains radioactive and the emission of radiation decays exponentially as for an ordinary radio-element. We observed the same phenomenon with boron and magnesium.
topic: Light, Preparation, Months, Magnesium, Aluminium