FOR ADDITIONAL INFORMATION ABOUT ROBERT VAN DE GRAAFF SEE:

• MUSEUM OF SCIENCE, BOSTON
  
• BROOKHAVEN ACCELERATOR
  
• OAK RIDGE NATIONAL LABORATORY

FOR ADDITIONAL INFORMATION ABOUT HISTORIC TUSCALOOSA SEE:

• TUSCALOOSA COUNTY PRESERVATION SOCIETY
  
• ALABAMA MUSEUM OF NATURAL HISTORY
  
• ARBORETUM
  
• BARNARD OBSERVATORY
  
• CHILDREN'S HANDS-ON MUSEUM
  
• GORGAS HOUSE
  
• MOUNDVILLE ARCHEOLOGICAL PARK