[Tex/LaTex] Signatures side by side

koma-scripttables

It's been a while since I last used Latex, so please bear with me.
As the title reads, I'd like to have two signature side by side (50% each) at the bottom of a medical report. This is what I currently have (apparently with slightly changed author names):

\flushleft
\newlength\jm
\settowidth{\jm}{Luke Skywalker}
\begin{tabular}{p{\jm}}\hline
\centering\footnotesize (Luke Skywalker)
\end{tabular}

\vspace{10 mm}

The force is strong in my family
\vspace{5 mm}

\flushleft
\newlength\mb
\settowidth{\mb}{Darth Vader}
\begin{tabular}{p{\mb}}\hline
\centering\footnotesize (Darth Vader)
\end{tabular}

And it looks like this in scrartcl:
enter image description here

How can Luke stand right next to his father (Luke left, both with underlines) ?

Best Answer

Self-copying my answer from Left and right aligned on same line, given that's much more suited here:

\documentclass{article}
\usepackage{showframe} % just to show the page boundaries
\begin{document}

whatever... 

\vfill  % push the rest to the bottom of the page
\noindent \parbox[t]{0.5\linewidth}{%
\underline{\textbf{Student}} \\ Mr. Studentname \\
\vspace{2cm} } % This 2cm is the space for the signature under the names
\parbox[t]{0.45\linewidth}{%
    \underline{\textbf{Supervisor}} \\ Mr. Supervisorname}

\end{document}

...with the place for signing under the names and flush left with the names. You can change the contents of the parboxes to adjust to your taste.

Output resulting from the snippet

More to the point:

\documentclass{article}
\usepackage{showframe} % just to show the page boundaries
\begin{document}

whatever... 

\vfill  % push the rest to the bottom of the page
\noindent 
\parbox[b]{0.4\linewidth}{% size of the first signature box
    \strut 
    Signed by: \\[2cm]% This 2cm is the space for the signature under the names
    \hrule
    (Luke Skywalker)} 
\hspace{1cm} % distance between the two signature blocks 
\parbox[b]{0.4\linewidth}{% ...and the second one
    \strut 
    The force is strong in my family: \\[2cm]% This 2cm is the space for the signature under the names
    \hrule
    (Darth Vader)} 
    \par\vspace{1cm} 
\end{document}

You can center the name under the lines using \centering before them, but you'll have an "underfull hbox" warning that I am still puzzling about...

Output of the signatures

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