You may already be aware of this, but for those who don't: depending on the discipline and other factors, the last author in the list may be known as the "ancho

You may already be aware of this, but for those who don't: depending on the discipline and other factors, the last author in the list may be known as the "anchor". Often, frankly, the preceding authors do the majority of the work, while the anchor functions as a supervisor. I'm ignoring "vanity" authorship and other horrors.