[2] It then appeared in book form by Alfred Scherz Verlag with the title Heller als tausend Sonnen.

The book's title is based on the verse from the Bhagavad Gita that J. Robert Oppenheimer is said to have recalled at the Trinity nuclear test.

Most historians do not believe that the Lesart account is accurate, and have offered up many other reasons for the German nuclear program's lack of success in producing weapons.

In 1957, he wrote a long letter to Jungk, prefacing it with the idea that while he had written a "fine and interesting book," nonetheless, he had several suggestions as to corrections that could be made in future editions.

In a foreword published in a 1990 book on Germany's wartime atomic research [11] he appeared to accuse Carl Friedrich von Weizsäcker and Werner Heisenberg, both of whom he consulted during the writing, of misleading him about the intentions of German physicists during World War II.

[13] In a 1967 interview, the military head of the Manhattan Project, General Leslie Groves, said: I wouldn't place any reliance on anything in that book Brighter than the Suns.