The film covers the life, work and significance in science of János Neumann, one of the 20th century’s most brilliant, Hungarian-born scientists. Several of his great contemporaries – including Ede Teller, György Pólya, Jenő Wigner, Isaac Asimov, Julian Bigelow, Herman Goldstine and George B. Dantzig – remember the world-famous mathematician and relate their personal experiences with him. Archive footage, photos and original documents all help in understanding the historical and scientific context.