% arara: pdflatex
documentclass[10pt,twocolumn]{article}
usepackage[margin=0.5in,showframe]{geometry}
usepackage[T1]{fontenc}
usepackage[utf8]{inputenc}
usepackage{authblk}
usepackage{setspace}
renewcommand{familydefault}{sfdefault}
usepackage{helvet}
usepackage{lipsum}

makeatletter
def@maketitle{%
newpage
null
vskip 2em%
begin{center}%
    let footnote thanks
    {LARGE @title par}%
    vskip 1.5em%
    {large
    lineskip .5em%
    begin{tabular}[t]{c}%
        baselineskip=12pt
        @author
    end{tabular}par}%
    vskip 1em%
    {large @date}%
end{center}%
par
vskip 1.5em}
makeatother

begin{document}
    large
    title{Title}
    scriptsize
    setstretch{0.1}
    author[1]{Author 1}
    author[2]{Author 2}
    author[3]{Author 3}
    author[4]{Author 4}
    author[5]{Author 5}
    author[1]{Author 6}
    author[1]{Author 7}
    author[1]{Author 8}
    author[1]{Author 9}
    author[1]{Author 10}
    author[1]{Author 11}
    author[1]{Author 12}
    author[1]{Author 13}
    author[1]{Author 14}
    author[1]{Author 15}
    author[1]{Author 16}
    author[1]{Author 17}
    author[1]{Author 18}
    author[1]{Author 19}
    author[1]{Author 20}
    author[1]{Author 21}
    author[1]{Author 22}
    author[1]{Author 23}
    author[1]{Author 24}
    author[1]{Author 25}
    author[1]{Author 26}
    author[1]{Author 27}
    author[1]{Author 28}
    author[1]{Author 29}
    affil[1]{Affiliation 1}
    affil[2]{Affiliation 2}
    affil[3]{Affiliation 3}
    affil[4]{Affiliation 4}
    affil[5]{Affiliation 5}
    date{}
    {letclearpagerelax%
    maketitle }
    lipsum[1-10]
end{document}