Post Author – core/post-author
Add the author of this post.
Use the Post Author block to display the author of the post.
Screenshot

Example
Show avatar toggled off. No Bio
Avatar size 48×48. No Bio
Avatar size 96×96. With Show Bio toggled on.
Notes
- The Post Author block can be used in posts and pages and in theme templates and template parts.
- Author Settings include:
- Author select list
- Show avatar toggle
- Avatar size select list: 24 x 24, 48 x 48, 96 x 96
- Show bio toggle.
- Use the Show bio toggle to display or hide the author’s biography defined in Users > Edit > About Yourself – Biographical Info.
- In my opinion Author Settings should come before the Typography and Colour settings.
- See https://github.com/WordPress/gutenberg/issues/24952
- There is no option to link to the author’s posts. eg https://blocks.wp-a2z.org/author/vsgloik
- Change text alignmentUse Change text alignment to choose how to align the text.
- Align text leftUse the Align text left drop-down from the toolbar to align text to the left.
- Align text centreAlign content centrally.
- Align text rightUse the Align text right drop-down from the toolbar to align text to the right.
- BoldUse Bold to mark selected text as bold.
- ItalicUse Italic to mark selected text as italic.
- LinkUse Link to create a hyperlink to your highlighted text.
- More rich text controlsFind more text controls in this dropdown.
- Inline codeUse inline code feature to format code snippets within your text.
- Inline imageInsert an inline image.
- StrikethroughUse Strikethrough to strikethrough the selected text.
- SubscriptUse Subscript to add subscript to your highlighted text.
- SuperscriptUse Superscript to add superscript to your highlighted text.
- Text colourUse Text colour to change the colour of the selected text
- More optionsDisplay more options
- Show More SettingsShow the block settings in the sidebar.
- CopyCopy the block to the clipboard.
- DuplicateUse Duplicate to create a copy of the block.
- Insert AfterInsert a new block after the selected block(s).
- Insert BeforeInsert a new block before the selected block(s).
- Move To Use Move To to move a block. Up/Down or Left/Right
- Edit as HTMLEdit the HTML of the block.
- GroupTransform the selected block(s) into a group.
- Add to Reusable blocksCreate a Reusable block.
- Remove blockDelete the block.
Post Author transforms to:
- Columns
- Group