Palestinian Dr. Izzeldin Abuelaish with four of his five surviving children in Gaza in May 2009. Several months earlier, an Israeli tank shell killed three of his daughters in their home. Abuelaish has worked in Israeli and Palestinian hospitals and is an outspoken advocate for peace. He now lives in Canada, but on Nov. 7, an Israeli airstrike killed 22 members of his extended family in Gaza. (AP)
