\pagenumbering{arabic}
\thispagestyle{empty}

\begin{center}\setstretch{1.0}{
    {\LARGE \textsc  RUPRECHT-KARLS-UNIVERSIT\"{A}T\\[0.2cm]  HEIDELBERG}\\[3ex]
    {\LARGE \textsc Fakult\"{a}t f\"{u}r Physik und Astronomie}\\[2ex]
    {\LARGE \textsc Physikalisches Institut}\\
    \vspace{1cm}
    \vspace{7cm} %instead of the logo

%    \begin{figure}[ht!]
%    \begin{center}
%    {\includegraphics[width=5cm]{}}
%    \end{center}
%    \end{figure}
    \vspace{1cm}

    {\textbf {\Huge Dissertation\\[4ex]}
    {\LARGE \titleNameGERBf}
    }

    \vfill

    {\Large \bf \myName}\\ [4ex]
    {\large \bf Supervisor: \supervisorName}\\[4ex]
    {\Large \bf Heidelberg, 2021}\\
    \newpage}
\end{center}


\newpage\null\thispagestyle{empty}\newpage