A searchable guide to the complete WordPress Icon Library (@wordpress/icons) package from Gutenberg.
import { Icon, postAuthor } from '@wordpress/icons';
<Icon icon={postAuthor} />
<svg viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false"><path d="M10 4.5a1 1 0 11-2 0 1 1 0 012 0zm1.5 0a2.5 2.5 0 11-5 0 2.5 2.5 0 015 0zm2.25 7.5v-1A2.75 2.75 0 0011 8.25H7A2.75 2.75 0 004.25 11v1h1.5v-1c0-.69.56-1.25 1.25-1.25h4c.69 0 1.25.56 1.25 1.25v1h1.5zM4 20h9v-1.5H4V20zm16-4H4v-1.5h16V16z" fill-rule="evenodd" clip-rule="evenodd"></path></svg>
postAuthor – WordPress Icon Library