Paul Kagame is the last person you would expect to see at a science meeting. Eighteen years ago he returned to his native Rwanda after 30 years of exile. In 1994, as the genocide against his people cl...
How did you become interested in physics? As the son of a pastor, I grew up in several tiny towns, one of which had only 500 people. When maths suddenly “clicked” for me at the age of abou...