"The Madness of George III"

"The Madness of George III"

Robert Day/Arthur Leone PR via Bloomberg

David Haig, center, with Orlando James, Beruce Khan, Ryan Saunders and Peter McGovern in "The Madness of George III," by Alan Bennett, at the Apollo Theatre in London. It is now commonly believed that King George's symptoms were caused by a rare blood disease, porphyria.