Compositions   1891: Variations on "America" for Organ 1902: Symphony No 2 1904: Symphony No 3 1907: Central Park in the Dark 1908: The Unanswered Question 1914: Three Places in New England 1916: Symphony No 4	Science 1876: Bell: Telephone 1895: Marconi: Radio   1905: Einstein: Theory of Relativity       1919: Rutherford: Splits the Atom 1930: Carrother/Du Pont: Nylon