His speech that night—often referred to by historians as the “Menace of Mass Destruction” address—was not a dry physics lecture. It was a lamentation, a warning, and arguably the most terrifying prophecy of the 20th century. While no single official transcript labeled "The Menace of Mass Destruction" exists as a copyrighted title, the phrase is the distilled essence of every major public address Einstein gave between 1945 and his death in 1955. To understand the "hot full speech" is to stitch together the fragments of his most urgent broadcasts, letters, and interviews.