I Very Comprehensively Studied Irving Thalberg And His Biographies. He's Who [scott] Fitzgerald Roughly Modeled The Character After. He Worked For Him, As A Writer, When He Was At Mgm. And, Of Course, I Revisited The Novel And The Politics Of Mgm And The Studio System At The Time And Familiarized Myself With The World. There Was A Great Deal Of Physical And Literary Work That Went Into It.