What contrast illustrates the difference between Hutchins's and Thomas's contributions?

Answer

The gap between the initial proof of concept and the final, market-ready product.

The contrast between Hutchins and Thomas illustrates the common pattern in technological history: the gap between the initial proof of concept and the final, market-ready product.

What contrast illustrates the difference between Hutchins's and Thomas's contributions?
inventioninventorUSAtimeclock