Documents covering Oppenheimer's creation of the atomic bomb are up for auction. Documents provide a look into the scientific and administrative journey that led to the creation of one of humanity’s most powerful weapons.

Among what is also up for sale is a letter written by Oppenheimer, in which he describes his invention as a “weapon for attackers” He wrote to a journalist who worked on the Russian nuclear arsenal that “the elements of surprise and terror are as essential (to a bomb) as fissile cores”