By the time she was forty, British social reformer, mathematician, and statistician Florence Nightingale (May 12, 1820 – August 13, 1910) was the second most influential woman in England, after only Queen Victoria. Nightingale pioneered modern nursing during her time serving as a volunteer nurse in the Crimean War, where she became known as “The Lady with the Lamp” for her nightly visits with the wounded in the wards. In 1854, John MacDonald, commissioner of the Times Crimea Fund, desc...