Several years ago, Thomas Steitz agreed to contribute a volume to the 'World Scientific Series in Structural Biology' that would deal with the contributions he and his coworkers have made to structural biology during his remarkable career. Sadly, Tom died in the fall of 2018 before he had had time to do more than produce an outline for this book, and a list of the reprints he wanted it to contain.Fortunately, Tom's colleagues and coworkers responded...