There is a famous photograph from the White House of Obama stopping to fist bump a janitor with a mop. It would be a great illustration for this blog post.
Justice Thomas is also well-known for knowing everyone's names.
> He knows the janitors, cafeteria workers, everyone. He knows their names, the names of their family members, where they're in school, and he is viewed by the law clerks of all the justices as the most accessible of the court's members.