My Lifetime in Letters References My Lifetime in Letters work by Sinclair Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Upton SinclairMy Lifetime in Letters (1960) is a collection of letters written to Sinclair. Read MoreMy Lifetime in Letters (1960) is a collection of letters written to Sinclair. Read More