"If I admire my arms, my face, / my shoulders, flanks, buttocks / again
"If I admire my arms, my face, / my shoulders, flanks, buttocks / again the yellow drawn shades,-- /  Who shall say I am not / the happy genius of my household?" So concludes his poem "Danse Russe,"  published in the 1917 collection "Al Que Quiere!" FTP, name this American poet who followed with the 1923  collection "Spring and All," containing the signature imagist poem "The Red Wheelbarrow".
"If I admire my arms, my face, / my shoulders, flanks, buttocks / again
William Carlos Williams