STUTTGART, Germany — Robert Hanks, a longtime Patch High School science teacher, was found dead at the school Saturday around 6 p.m. The cause of death is under investigation, according to Department of Defense Dependents Schools spokesman Frank O’Gara. The school convened a crisis intervention team over the weekend. As school resumed Monday, the team members worked with faculty and students to deal with the death, O’Gara said. Hanks, 66, sold pretzels in the front lobby of the school each day to raise money to defray the costs of feeding the animals he kept that were part of his biology...