Example of poster in potrait orientation prepared by using beamerposter package.
This template was originally published on ShareLaTeX and subsequently moved to Overleaf in December 2019.
\begin
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\documentclass[final,hyperref={pdfpagelabels=false}]{beamer}
\mode<presentation>
{
% \usetheme{Berlin}
\usetheme{Dreuw}
}
\usepackage{times}
\usepackage{amsmath,amsthm, amssymb, latexsym}
\boldmath
\usepackage[english]{babel}
\usepackage[latin1]{inputenc}
\usepackage[orientation=portrait,size=a0,scale=1.4,debug]{beamerposter}
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\graphicspath{{figures/}}
\title[Fancy Posters]{Making Really Fancy Posters with \LaTeX}
\author[Dreuw \& Deselaers]{Philippe Dreuw and Thomas Deselaers}
\institute[RWTH Aachen University]{Human Language Technology and Pattern Recognition, RWTH Aachen University}
\date{Jul. 31th, 2007}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%5
\begin{document}
\begin{frame}{}
\vfill
\begin{block}{\large Fontsizes}
\centering
{\tiny tiny}\par
{\scriptsize scriptsize}\par
{\footnotesize footnotesize}\par
{\normalsize normalsize}\par
{\large large}\par
{\Large Large}\par
{\LARGE LARGE}\par
{\veryHuge VeryHuge}\par
{\VeryHuge VeryHuge}\par
{\VERYHuge VERYHuge}\par
\end{block}
\vfill
\vfill
\begin{block}{\large Fontsizes}
\centering
{\tiny tiny}\par
{\scriptsize scriptsize}\par
{\footnotesize footnotesize}\par
{\normalsize normalsize}\par
{\large large}\par
{\Large Large}\par
{\LARGE LARGE}\par
{\veryHuge VeryHuge}\par
{\VeryHuge VeryHuge}\par
{\VERYHuge VERYHuge}\par
\end{block}
\vfill
\begin{columns}[t]
\begin{column}{.48\linewidth}
\begin{block}{Introduction}
\begin{itemize}
\item some items
\item some items
\item some items
\item some items
\end{itemize}
\end{block}
\end{column}
\begin{column}{.48\linewidth}
\begin{block}{Introduction}
\begin{itemize}
\item some items and $\alpha=\gamma, \sum_{i}$
\item some items
\item some items
\item some items
\end{itemize}
$$\alpha=\gamma, \sum_{i}$$
\end{block}
\begin{block}{Introduction}
\begin{itemize}
\item some items
\item some items
\item some items
\item some items
\end{itemize}
\end{block}
\begin{block}{Introduction}
\begin{itemize}
\item some items and $\alpha=\gamma, \sum_{i}$
\item some items
\item some items
\item some items
\end{itemize}
$$\alpha=\gamma, \sum_{i}$$
\end{block}
\end{column}
\end{columns}
\end{frame}
\end{document}
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%%% Local Variables:
%%% mode: latex
%%% TeX-PDF-mode: t
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