""Life and Conversations of Samuel Johnson: Founded Chiefly Upon Boswell"" is a biographical work written by Alexander Main and published in 1874. The book is a detailed account of the life and conversations of Samuel Johnson, an 18th-century English writer, lexicographer, and literary critic. Main's work is primarily based on the writings of James Boswell, a Scottish biographer and friend of Johnson, who is known for his famous biography of the writer...