SELECT DISTINCT ?uri WHERE {?uri <http://dbpedia.org/property/doctoralStudents> <http://dbpedia.org/resource/Charles_Drummond_Ellis> . ?uri <http://dbpedia.org/property/knownFor> <http://dbpedia.org/resource/Manhattan_Project> . ?uri <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Scientist>}
Among the scientist known for Manhattan Project who had a doctoral student named Charles Ellis ?
SELECT DISTINCT ?m WHERE { ?m rdf:type ontology:Scientist . ?m property:doctoral_students resource:Charles_Drummond_Ellis . ?m property:known_for resource:Manhattan_Project }
James Chadwick
The scientist whose doctoral student is Charles Drummond Ellis and is known for the Manhattan Project is [James Chadwick].
The scientist whose doctoral student's name is Charles Drummond Ellis, known from the Manhattan Project, is [James Chadwick].
The scientist whose doctoral students is him and known for is Manhattan Project is [James Chadwick].
The scientist for whom he is a graduate student and for whom the Manhattan Project is known is [James Chadwick].