Ellen Gleditsch
= Ellen Gleditsch
{wiki=Ellen_Gleditsch}
Ellen Gleditsch was a notable Norwegian physicist and chemist, particularly recognized for her work in radioactivity and the field of nuclear physics. Born on December 24, 1882, she made significant contributions to the study of radioactivity and was one of the first women to earn a doctorate in chemistry in Norway. Gleditsch's research included studying the properties of radioactive isotopes and their applications.