Index: wp-admin/upload.php
===================================================================
--- wp-admin/upload.php	(revision 14385)
+++ wp-admin/upload.php	(working copy)
@@ -425,7 +425,7 @@
 			echo "<span class='$action'>$link$sep</span>";
 		} ?>
 		</div></td>
-		<td class="author column-author"><?php $author = get_userdata($post->post_author); echo $author->display_name; ?></td>
+		<td class="author column-author"><?php the_author(); ?></td>
 <?php	if ( '0000-00-00 00:00:00' == $post->post_date && 'date' == $column_name ) {
 			$t_time = $h_time = __('Unpublished');
 		} else {