As wartime leader of the Union's Women Nurses, Dorothea Dix set a quiet example of indomitable efficiency, impressing even General Sherman. Her standards were so high that many volunteers were ...

They include: -- Physicist Louis Daguerre in 1787 -- Journalist Dorothy Dix in 1861 -- Pollster George Gallup in 1901 -- Astronaut Alan Shepard, the first American in space, in 1923 -- Writer ...