Mr. Kevin Xu, President of MEBO International, on behalf of his family, thanks President Barack Obama and President Bill Clinton for their sympathy and kind thoughts during the time of loss of Dr. Rongxiang Xu, Kevin's father. Photo http://photos.prnewswire.com/prnh/20150522/218111 As a pioneer, innovator, humanitarian and a leader ahead of his time, Dr. Xu's commitment to the advancement of science and his leadership in the community leave a legacy that will not be forgotten. As a renowned life