As the delegates to the Constitutional Convention gathered in Philadelphia in 1789, there was no experience, anywhere in the world, of a successful republican executive over an extensive nation — one with sufficient authority and independence to make things work on a national scale, but without the risk of becoming a monarch. This Jefferson Memorial Lecture shows how the delegates, and especially the Committee of Detail, went about constructing such an executive, and what it means for separation-of-powers law today. Recorded on 2/8/2023. (#38613)