Ghost blogging platform allow you to setup a multi-author blog with no extra effort and Nautilus handels that very well. There is a author name in each post preview. Also there is author section below each post so that one who came to your site and read a post, they can know little about the author who wrote the post.
In author page author details will shown. Then all post written by that author will be listes there. To see example click on author name in this demo site. It will take you to the author page.
So If you are planning to start a blog where not only you also other people will write, The Sylva theme is suitable for you.