Highlights twenty-five notable achievements in science, medicine, and industry and the individuals responsible, including Alexander Graham Bell, Madame Curie, and Samuel F. B. Morse.

J.J. Baird -- Alexander Graham Bell -- Jacques Charles -- Pierre Curie -- Louis-Jacques Daguerre -- Sir James Dewar -- Thomas A. Edison -- Benjamin Franklin -- Galileo -- Elias Howe -- William Thomson Kelvin -- Hans Lippershey -- Cyrus McCormick -- Guglielmo Marconi -- Sir Hiram Maxim -- Ottmar Mergenthaler -- Samuel F.B. Morse -- James Nasmyth -- Sir Charles Parsons -- Wilhelm Conrad Roentgen -- George Stephenson -- Robert Stephenson -- Evangelista Torricelli -- Alessandro Volta -- Orville and Wilbur Wright.