that seems to be a folklore on the swimming requirement... And they actually did some historical research on it, http://asklib.hcl.harvard.edu/a.php?qid=31265

that seems to be a folklore on the swimming requirement... And they actually did some historical research on it, http://asklib.hcl.harvard.edu/a.php?qid=31265 http://asklib.hcl.harvard.edu/a.php?qid=31265