The result will look something like this:
Feel free to copy and improve! One could make this even more simple and slim by removing the date. I’m not sure if the duration info is really needed on an archive page.
Please note:
The table-borders and text alignment are done in the style.css file.
The archive and the contributors table both seem to rely on the same “css element” (how are these called?). In this case table.podlove-contributors-table, th, td . Therefore, manipulating your archive table in your style.css file will also affect your contributors table in the same way. @timpritlove, is this intentional?