\begin{frame}
    \begin{tabular}{c c}
        \large \textbf{massentaugliche Automobile} & 
        \large \textbf{massentaugliche E-Autos}\\
        \includegraphics[height = .75\textheight]{Henry-Ford.jpg}&
        \includegraphics[height = .75\textheight]{elon-musk.jpg}\\
        \footnotesize lifenlesson.com/henry-ford/ & 
        \footnotesize d.ibtimes.co.uk/en/full/1602985/elon-musk.jpg
    \end{tabular}
\end{frame}