Chemistry & Life Science (CLS) Chemistry & Life Science walter.rittger [at] westpoint.edu About The Department of Chemistry and Life Science oversees the Chemistry, Chemical Engineering, and Life Science majors and conducts cutting-edge research in collaboration with civilian academic and Department of Defense organizations.Department Phone NumbersGeneral Information(845) 938-3767Administrative Officer(845) 938-3767Head of Department(845) 938-3900Deputy Department Head(845) 938-3109Executive Officer(845) 938-3767Chief Chemist(845) 938-3356Chemistry Program Director(845) 938-3909Chemical Engineering Program Director(845) 938-3904Life Sciences Program Director(845) 938-7293General/Advanced Chemistry Lab(845) 938-8298