\begin{titlepage}

\begin{center}
% Upper part of the page

\textmd{UNIVERSITY OF OKLAHOMA}\\
\vspace{8pt}
\textmd{GRADUATE COLLEGE}
\vfill
% Title
{\InsertTitle}\\[0.4cm]

\begin{center}
\vspace{16pt}
\textmd{A DISSERTATION}\\
\vspace{8pt}
\textmd{SUBMITTED TO THE GRADUATE FACULTY}\\
\vspace{8pt}
\textmd{in partial fulfillment of the requirements for the}\\
\vspace{8pt}
\textmd{Degree of}\\
\vspace{8pt}
\textmd{DOCTOR OF PHILOSOPHY}\\
\end{center}

\begin{center}
\vfill
By\\
\vfill
{\setstretch{1.0}
{\InsertAuthor}\\
\textmd{Norman, Oklahoma}\\
\textmd{2018}

}
\end{center}


\end{center}
\end{titlepage} 