Dr. Mitchell studied at the <a rel="mw:WikiLink" href="https://en.wikipedia.org/University_of_Pennsylvania" title="University of Pennsylvania" id="mwGg">University of Pennsylvania</a> and later earned the degree of <a rel="mw:WikiLink" href="https://en.wikipedia.org/Doctor_of_Medicine" title="Doctor of Medicine" id="mwGw">MD</a> at the city's <a rel="mw:WikiLink" href="https://en.wikipedia.org/Thomas_Jefferson_University" title="Thomas Jefferson University" id="mwHA">Jefferson Medical College</a> in 1850.
