he felt betrayed, accused Frank of a breach of contract, and demanded that Frank
             discontinue working outside the firm. Rather than drop his night job, Frank walked out on the firm (Gill, 87-88).
             Frank Lloyd Wright quickly built up a practice in residential design that eventually expanded to include commercial architecture. Through designing a prairie-style home and implementing new techniques and materials, business thrived. He created the philosophy of "organic architecture," the central principle of which maintains that the building should develop out of its natural surroundings so that the indoors and outdoors often seemed to merge. Wright would define the word of organic as: "Originally used in architecture, organic means part-to-whole-is-to-part. Therefore, entity as integral is what is really meant by the word organic. Intrinsic" (Twombly, 347). Frank also followed the Sullivan approach to architectural philosophy, "form follows function.&qu
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