Mark Rylance: We’re murdering our children’s future British actor, Mark Rylance plays Dr Semmelweis, a 17th-century Hungarian obstetrician, in a new West End play. Dr Semmelweis uncovered an inconvenient truth, linking poor hygiene to bacterial infections in hospitals. However, deemed too radical, his efforts to change hospital practice were largely ignored. Lessons from Semmelweis’ character can be applied to the climate emergency, says Rylance. “I think there is only so far that you can protes