MYERS containing uranium as the source of the radiation. He disclosed also that the
penetrating rays, like x-rays, dissipated an electric charge on a gold-leaf electroscope(5) …

BECQUEREL'S DISCOVERY Just over three months after Röntgen's discovery of X rays,
radioactivity was discovered in a stunningly similar combination of fortuitous circumstances …

It has been 100 years since Becquerel discovered radioactivity shortly after he learned of
Roentgens discovery of x-rays at a meeting of the Frence Academy of Science. His …

European Journal of Nuclear Medicine Vol. 27 (Supplement), January 2000–© Springer-
Verlag 2000 a matter of weeks the discovery of X-rays and the discovery of radioactivity had …

THE discovery of radio-active substances followed close on the discovery of the X-rays, and
was due partially to certain phenomena observed in a Crookes tube. When there is sufficient …

RADIO-ACTIVITY, the property of radium that led to its isolation more than thirty years ago, is
the characteristic that makes it of value in the treatment of disease. Tyler2 gives the following …

THE ability of radioactive rays to affect photographic emulsions was discovered before
radioactivity itself was even known to exist. Besquerell suspected this fact in 1895, when he …

Madame Marie Curie however, Marie moved to a room on the Left Bank, a short distance
from the university and its laboratories. On July 23, 1893, Marie became the first woman to …

1. The researches of M. Henri Becquerel have shown that compounds of uranium possess
the property now called" radio-activity"; that is, rays emitted by them affect a sensitive …

Among those who have made important discoveries in the field of radioactivity and thus
helped in the development of nuclear medicine as an identical entity are: Heinrich Hertz who …