(To celebrate the launch of TIME’s new multimedia project – 100 Photographs: The Most Influential Images of All Time – we asked leaders in a number of fields, from technology to the arts to business, to share the single photograph that most influenced their lives. Purchase the 100 Photographs book now.) 'The Solvay Conference in 1927 brought together the world’s most prominent scientists and physicists, including Albert Einstein, who you can see front and center here. Seventeen of them were or would become Nobel Prize winners. At first glance this may not be the most moving photo, but to me...