The hidden part of problem solving. There is a hidden aspect to problem solving: something that happens behind the scenes, something that we currently do not know how to measure or explain. It is remarkable, when you read the biographies of great mathematicians and scientists that they keep saying of their greatest achievements, I was doing something else and the answer to my problem just came to me. 12 This is not only true for the greatest, it seems to be true for every serious research mathematician or scientist. Answers and ideas just seem to come out of the blue. But they don’t! There are verbal and non-verbal aspects to.