Other opinions

Roger Penrose

In his two books 'the emperor's new mind', and, more drastically, in 'shadows of the mind' he denies the possibility of computer algorithms to equal the human mind. 'shadows of the mind' consist of two parts, the first uses the gödel theorem as base of a formal proof, the second part drills consciousness back on reactions within nanotubes in the brain, saying that this cannot be simulated in a computer.

Joseph Weizenbaum

In 'Die Macht der Computer und die Ohnmacht der Vernunft'

Hubert L. Dreyfus

In 'Mind over Machine', 'What computers can't do ' and 'What computers still can't do '