def get_authors(draft):
    """
    Takes a draft object and returns a list of authors suitable for a tombstone document
    """
    authors = []
    for a in draft.authors.all():
        initial = ''
        prefix, first, middle, last, suffix = a.person.name_parts()
        if first:
            initial = first + '. '
        entry = '%s%s <%s>' % (initial,last,a.address)
        authors.append(entry)
    return authors