The innovator Jim Marggraff, creator of an interactive world globe called the Odyssey Atlasphere, the LeapPad reading platform for children and LeapFrog's Fly talking pen, explains that each creation built on the work that went into making the previous one.
A gunsmith whose exquisite firearms, some decorated with designs by fine artists, have attracted customers from around the world, Mr. Fisher built on the work of older gunsmiths in the region, just as younger ones hope to learn from him.
They built on the work of others.
Modern science was, in other words, built on the work of amateurs.
Each generation of astronomers has built on the work of the last, reinterpreting and refining.
And his research built on the work of generations of scientists and doctors.
Research activity since then has built on the work of that expedition, with studies on the nature of monsoons.
The UK built on the work of other similarly minded nations, culminating in the Brighton Declaration in April 2012.
The Giants are a classic example of how Super Bowl champions in February are almost never built on the work of the most recent April.
Many were built on the work of undercover informers who ensured that the plots, regardless of their plausibility, could never come to fruition.
