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…members/username/profile

Can i somehow get the author of the profile?
Im trying to use this code but it doesnt seem to work.

<?php
    $author = get_the_author();

    echo 'Username: ' . $current_user->user_login . '<br />';
    echo 'User first name: ' . $current_user->user_firstname . '<br />';
    echo 'User last name: ' . $current_user->user_lastname . '<br />';
    echo 'User display name: ' . $current_user->display_name . '<br />';
    echo 'User ID: ' . $current_user->ID . '<br />';
    echo 'User display name: ' . $current_user->description . '<br />';
?>