radiation timeline
Category: Other
Updated: 8 Jun 2018
matthew tsui
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Created byMatthew Tsui
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Wilhelm Konrad Roentgen discovers x‑raysAntoine-Henri Becquerel discovers rays produced by uranium, the first observation of natural radioactivity.
Concerns first raised about possible injuries from x‑ray exposures.
Elihu Thomson conducts experimentsNew
eventMarie and Pierre Curie discover that thorium gives off "uranium rays," which Marie renames "radioactivity."
Marie and Pierre Curie discover polonium and announce the existence of another new radioactive element they
name radium.
Paul Ulrich Villard discovers gamma rayNew
eventFirst malpractice lawsuit is awarded for x‑ray burns.
Ernst Rutherford discovers that radioactivity from uranium has at least two different forms, which he calls alpha
and beta rays.
Fritz Geisel, Antoine-Henri Becquerel, and Marie Curie prove that beta rays consist of high-speed electrons.Paul Ulrich Villard is the first to observe that gamma radiation is more penetrating than x‑rays.Wilhelm Konrad Roentgen wins the Nobel Prize in physics for his discovery of x‑rays.
X‑rays are shown to be lethal to mammals through experiments conducted by W.H. Rollins.Antoine-Henri Becquerel and, Pierre and Marie Curie share the Nobel Prize for physics, Becquerel for his
discovery of natural radioactivity, and the Curies for their study of radioactivity.
First observation notes that radioactivity can induce tissue and organ damage.
George Perthes discovers that x‑rays can inhibit the growth of tumors and proposes the use of xFirst reports linking x‑rays to leukemia and cancer in physicians is published.
Arthritis patient dies from Radium-226 injectionHundreds of young women working in plants in New York and Illinois are accidentally exposed to a luminous
paint containing radium while painting dials for watches and clocks.Hans Geiger unveils his radiation detector.British Roentgen Society proposes standards for radiation protection of workers.Film badges first developed to measure exposures to radiation.
Amelia Maggia is first of the "Radium Dial Painters" to die from radiation poisoning.First radiation tolerance dose proposed by Arthur Mutscheller for use as a guide to limiting exposure of anNew
event
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