urlsa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http3A2F2Fwww.bu.edu2Ftoday2F20132Fboston-university-associate-provost-for-research-ruckenstein-steps-down2F&ei=5CX6VN