His basic principle was the broken-window theory: If you don't fix one window in the building, another will be broken and then another, and eventually the whole block will be lost.

FORBES: Right Man for Our Times

For children with STEM mentors in their families and neighborhoods, even a basic childhood activity like flying a kite becomes a lesson in aerodynamics, and a window into the wonders of the universe and future careers.

FORBES: We Need All Hands on Deck for Science Education