Smith 's pacifist views saw him develop an interest in peace studies .
During World War II , as a Quaker and conscientious objector , Smith joined the Friends Relief Service ; he worked as a hospital porter at Addenbrooke 's Hospital in Cambridge .
Smith 's pacifist views saw Smith develop an interest in peace studies .
During World War II , as a Quaker and conscientious objector , Smith joined the Friends Relief Service ; he worked as a hospital porter at Addenbrooke 's Hospital in Cambridge .