\documentclass[11pt]{article}
\usepackage[margin=1in]{geometry}
\usepackage{tikz}
\usepackage[strict]{changepage}
\usepackage{amsthm}
\usepackage{float}
\usepackage{fancyhdr}
\theoremstyle{definition}
\newtheorem{definition}{Definition}[section]
\title{Title}
\author{Author}
\date{\today}
\pagestyle{fancy}
\fancyhf{}
\rhead{Author}
\lhead{Title}
\cfoot{\thepage}
\begin{document}
*** Text Here ***
\end{document}