12X10 X Ray of Albert Einstein's skull taken by Dr. Gustav Bucky, who was a forerunner in radiograph technology and inventor of the Bucky Screen, which allowed for sharper radiograph images. Bucky and Einstein were co-inventors of the Automatic Electric Eye Camera. This X-Ray and a side X-ray of Einstein sold on December 2010 at auction for ,750.00. Comes with a full Letter of Authenticity from Todd Mueller Authentics.