For when you want something other than /author

Rewrite Author Slug.php

// Rewrite author slug
function change_author_permalinks() {
  global $wp_rewrite;
  $wp_rewrite->author_base = 'people';
  $wp_rewrite->author_structure = '/' . $wp_rewrite->author_base. '/%author%';
}
add_action('init','change_author_permalinks');