The young Wright, by contrast, was Sullivan's protégé for seven years, beginning in 1887, when Sullivan was at the height of his fame and power. The two architects would sever their ties in 1894 due to Sullivan's angry reaction to Wright's moonlighting in breach of his contract with Sullivan, but Wright continued to call Sullivan "lieber Meister" ("beloved Master") for the rest of his life. After decades of estrangement, Wright would again become close to the now-destitute Sullivan in the early 1920s, the time when Roark first comes under the likewise impoverished Cameron's tutelage in the novel. Wright, however, was now in his fifties. Nevertheless, both the young Roark and middle-aged Wright had in common at that time that they both faced a decade of struggle ahead. After the triumphs earlier in his career, Wright came increasingly to be viewed as a has-been, until he experienced a renaissance in the latter half of the 1930s with such projects as Fallingwater and the Johnson Wax Headquarters.