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"In this letter, likely from 1961, Prof. Croasdale writes Rieser to thank him for her recent promotion. Her claims that the promotion came as a complete surprise seems to suggest that she was largely unaware of the Croasdale Memos. She is brutally honest about her situation when she tells Rieser: “I thought I was in a dead-end, except for my research... life is far sweeter than it was four years ago!”"