sharpetronics.com/_includes/author_card.html

{% comment %}
  The author metadata for both posts and post single pages.
{% endcomment %}

  
{% if post == blank %}
{% comment %}
  Fix display bug when author data is empty.
{% endcomment %}
  {% else %}
    <div class="meta">
      <time class="published">{{ post.date | date_to_string }} {{ page.date | date_to_string }}</time>
      <h5 class="author"><img src="{{ author.avatar }}" alt="{{ author.first_name }} {{ author.last_name }}" /><span class="name">{{ author.first_name }}</span></h5>
    </div>
{% endif %}