Title: Famous American men of science
Subjects: Biography, History, Scienctists, Scientists, Sociology, Scientists, biography, Henry, joseph, 1797-1878, Edison, thomas a. (thomas alva), 1847-1931, Gibbs, josiah willard, 1839-1908, Franklin, benjamin, 1706-1790
Places: United States
People: Benjamin Franklin (1706-1790), J. Willard Gibbs (1839-1903), Joseph Henry, Joseph Henry (1797-1878), Josiah Willard Gibbs, Thomas A. Edison (1847-1931)