[Tex/LaTex] How to Add 7 Authors’ Name

acmtitles

Hi I have a two columns table with ACM SIG Proceedings template http://www.acm.org/sigs/publications/proceedings-templates

Here is my code for six authors, my problem is I have a 7-th author, I am not sure how to add it nicely, is it possible to squeeze the second rows(maybe smaller font size) to allow 4 authors? 

\documentclass[9pt]{sig-alternate}

\begin{document}
\title{Paper title}


\numberofauthors{6}

\author{

% 1st. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 2nd. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 3rd. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
\and  % use '\and' if you need 'another row' of author names
% 4th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 5th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 6th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
}


\maketitle


\end{document}

enter image description here

Best Answer

Put \and after the sixth author to create another row.

\documentclass[9pt]{sig-alternate}

\begin{document}
\title{Paper title}


\numberofauthors{7}

\author{
% 1st. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 2nd. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 3rd. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
\and  % use '\and' if you need 'another row' of author names
% 4th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 5th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
% 6th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
\and
% 7th. author
\alignauthor
Author Name\\
       \affaddr{This is Author School Name}\\
       \email{AuthorEmail@gmail.com}
}


\maketitle


\end{document}

I will advise against squeezing the fourth author into the second row for then it will look cramped. Other options would be to put \and after the second and fifth authors or after third and fifth authors. Note that displaying more than six authors after the title is discouraged as posted in this ACM page.

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