Who is giants from Maria Montessori: Her Life and Work and what is their importance?

These are mentioned during a generalized conversation. They are referred to with respect to the problem of proper and incorrect proportions. To young childen, adult dimensions and furnishings force them to spend a lot of their time in a realm built for giants. This is one of the reason why furniture built to scale is so strongly advocated as part of the Montessori system.