William Carlos Williams is a paradox, in many ways similar to his fellow American great, Wallace Stevens, in that he was a Medical Doctor by day, world-famous poet by night (Stevens was an officer and legal counsel for The Hartford insurance company).
His simplification of scenes and social issues to bare bones word play has influenced many, including the beat generation, most notably, Allen Ginsberg.
Here is possibly his most famous poem - use the word pictures to get the scene, and hence, the importance of the poem.
The Red Wheelbarrow
by William Carlos Williams
so much depends
a red wheel
glazed with rain
beside the white