Lise Meitner's fantastic explanation: nuclear fission
On February 11, 1939, a Letter to the Editor titled "Disintegration of Uranium by Neutrons: a New Type of Nuclear Reaction" appeared in the science journal Nature. The letter provided the first theoretical explanation for the splitting of the atom, and coined a new term in physics: fission. The woman who co-authored the letter, and co-discovered the power of nuclear energy, is perhaps not quite as well-known as some of her contemporaries. Elise Meitner-how could hers not be a household name?