Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.
Scene from William Koch's retirement party, Washington University School of Dental Medicine.