births
Marguerite Perey, French physicist and academic (died 1975)
Related Wikipedia articles
Marguerite Perey
20th-century French physicist
Marguerite Catherine Perey was a French physicist and a student of Marie Curie. In 1939, Perey discovered the element francium by purifying samples of lanthanum that contained actinium. In 1962, she was the first woman to be elected to the French Académie des Sciences, an honor…Source: Wikipedia (CC BY-SA)
October 19
Day of the year
October 19 is the 292nd day of the year in the Gregorian calendar; 73 days remain until the end of the year.Source: Wikipedia (CC BY-SA)