Anniversaries

27
Jan

January 27, 1880 - Thomas Alva Edison patents the incandescent lamp

27
Jan

January 27, 1970 – Death of Marietta Blau, identified traces of atomic particles that allowed protons to be distinguished from alpha particles

31
Jan

January 31, 1917 - Lise Meitner and Otto Hahn discover a radioactive element called protactinium

01
Feb

February 1, 1958 – Death of Clinton Davisson, discoverer of the diffraction of electrons from crystalline surfaces

03
Feb

February 3, 1894 – Death of Edmond Frémy, known for the salt that bears his name, although he also made great discoveries, such as artificial ruby

04
Feb

February 4, 1990 – Death of Berta Karlik, first professor at the University of Vienna and discoverer of astatine isotopes and its existence in nature as a product of processes

05
Feb

February 5, 2015 - Death of Val Logsdon Fitch, demonstrated that subatomic particle reactions are not indifferent to the direction of time

06
Feb

February 6, 1804 - Death of the polymath Joseph Priestley, who discovers "dephlogisticated air"

07
Feb

February 7, 1932 – James Chadwick refers for the first time to certain particles in the atom’s nucleus as ‘neutrons’

08
Feb

February 8, 1834 – Birth of Dmitri Mendeléyev, the father of the periodic table of the chemical elements

10
Feb

February 10, 1836 – Death of Madame Lavoisier, the “mother of modern chemistry”

10
Feb

February 10, 1959 - Death of Arturo Duperier, scientist noted for his study of cosmic radiation

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