How To?

Would this be how I do it?

<?php

// The Query
$query = new WP_Query( 'author=123' );

// The Loop
while ( $the_query->have_posts() ) : $the_query->the_post();
	echo '<li>';
	the_title();
	echo '</li>';
endwhile;

// Reset Post Data
wp_reset_postdata();

?>