Dikembe Mutombo, who arrived at Georgetown University as an international student with aspirations of being a doctor but who instead became a towering presence in professional basketball and a dedicated humanitarian in his native Democratic Republic of the Congo,

No one laughed harder. No one smiled brighter. No one cared more. There was no one else like Dikembe Mutombo. The world he changed and left Monday when he died at age 58 of brain cancer will remember him for the way he lived on the floor and far beyond it.