# Where to put the institute information in the article document class?

I've seen in other document classes that one can input the authors' institutes via special commands, for example in revtex4 I can put

\title{Aggregation According to Classical Kinetics---From Nucleation to
Coarsening}
\author{Yossi Farjoun}
\email{yfarjoun@math.mit.edu}
\thanks{Corresponding author}
\affiliation{G. Mill\'an Institute of Fluid Dynamics, Nanoscience and Industrial
\author{John C. Neu}%
\email{neu@math.berkeley.edu}
\affiliation{Department of Mathematics, University of California, Berkeley}


and it gets typeset nicely:

--snip--

Is there a nice of doing the same with plain-old article?

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Is using the Koma-Skript replacement for the standard classes an option? I.e. use scrartcl instead of plain article – that should have the relevant commands, too. –  Konrad Rudolph Aug 10 '10 at 9:40
I'm also a bit lost. Do you mean the concept of \institute as a macro, or simply where to include it in the title data to get it to print? –  Joseph Wright Sep 2 '10 at 7:43
Funny, maybe it was a permission issue. Thanks for reuploading it. –  Martin Scharrer Oct 26 '11 at 16:29

As article doesn't support it, you may use a titlepage environment. If you would like just to use the standard \maketitle, you could redefine this command or hook into the author macro.

The author is typeset using a simple table:

\begin{tabular}[t]{c}%
\@author
\end{tabular}\par}


So, you could use tabular features inside the argument to \author. Simply use \\ for a new row, perhaps several times. It would be set below and centered. Demonstrating tabular commands:

\documentclass[titlepage]{article}
\usepackage[onehalfspacing]{setspace}
\begin{document}
\title{Aggregation According to Classical Kinetics---From
Nucleation to Coarsening}
\author{Yossi Farjoun \\
\multicolumn{1}{p{.7\textwidth}}{\centering\emph{G. Mill\'an Institute
of Fluid Dynamics, Nanoscience and Industrial Mathematics,
\maketitle
\end{document}


Output:

You could add further rows for further authors and institutes.

This is just a workaround and a demonstration what happens internally. I would recommend to use a titlepage environment instead of misusing the article \maketitle feature that isn't intended to be used with an institute.

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The authblk package does this:

\documentclass[a4paper]{article}
\usepackage[affil-it]{authblk}

\begin{document}

\title{Aggregation According to Classical Kinetics---From Nucleation to
Coarsening}

\author{Yossi Farjoun%
\affil{G. Mill\'an Institute of Fluid Dynamics,\\ Nanoscience and Industrial

\author{John C. Neu%
\affil{Department of Mathematics, University of California, Berkeley}

\date{Dated: \today}

\maketitle

\end{document}


Some tweaking to \@maketitle may be necessary, for example

\makeatletter
\def\@maketitle{%
\newpage
\null
\vskip 2em%
\begin{center}%
\let \footnote \thanks
{\Large\bfseries \@title \par}%
\vskip 1.5em%
{\normalsize
\lineskip .5em%
\begin{tabular}[t]{c}%
\@author
\end{tabular}\par}%
\vskip 1em%
{\normalsize \@date}%
\end{center}%
\par
\vskip 1.5em}
\makeatother


With this you'd get

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I'm not sure you can add that to the standard title page, but you could use the titling package to write a custom one.

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