wp_title() handling of author page

I see my name in the title when viewing author pages.

wp_title() runs this code during execution..

// If there's an author
if ( is_author() ) {
    $author = get_queried_object();
    $title = $author->display_name;
}

Perhaps your author(s) don’t have a display name set?

Additionally be sure to try disabling plugins that may be hooking a filter onto wp_title and check your theme’s function file for functions that hook on to…